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Finding the Fourth Proportional to 65,170.99, 97,825.61 and 57,722.90

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Solution

The fourth proportional to 65,170.99, 97,825.61 and 57,722.90 is: 86,645.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,170.99 : 97,825.61 = 57,722.90 : x
  2. Step 2: Convert to fraction form
    65,170.99/97,825.61 = 57,722.90/x
  3. Step 3: Cross multiply
    65,170.99x = 97,825.61 × 57,722.90
  4. Step 4: Simplify right side
    65,170.99x = 5,646,777,903.47
  5. Step 5: Solve for x
    x = 5,646,777,903.47/65,170.99
  6. Step 6: Final answer
    x = 86,645.58

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