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Finding the Fourth Proportional to 406,628.40, 609,890.56 and 107,132.12

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Solution

The fourth proportional to 406,628.40, 609,890.56 and 107,132.12 is: 160,684.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,628.40 : 609,890.56 = 107,132.12 : x
  2. Step 2: Convert to fraction form
    406,628.40/609,890.56 = 107,132.12/x
  3. Step 3: Cross multiply
    406,628.40x = 609,890.56 × 107,132.12
  4. Step 4: Simplify right side
    406,628.40x = 65,338,865,075.67
  5. Step 5: Solve for x
    x = 65,338,865,075.67/406,628.40
  6. Step 6: Final answer
    x = 160,684.46

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