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Finding the Fourth Proportional to 345,855.96, 477,503.36 and 216,971.14

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Solution

The fourth proportional to 345,855.96, 477,503.36 and 216,971.14 is: 299,559.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,855.96 : 477,503.36 = 216,971.14 : x
  2. Step 2: Convert to fraction form
    345,855.96/477,503.36 = 216,971.14/x
  3. Step 3: Cross multiply
    345,855.96x = 477,503.36 × 216,971.14
  4. Step 4: Simplify right side
    345,855.96x = 103,604,448,373.03
  5. Step 5: Solve for x
    x = 103,604,448,373.03/345,855.96
  6. Step 6: Final answer
    x = 299,559.53

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