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Finding the Fourth Proportional to 424,418.73, 636,729.27 and 124,909.08

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Solution

The fourth proportional to 424,418.73, 636,729.27 and 124,909.08 is: 187,393.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,418.73 : 636,729.27 = 124,909.08 : x
  2. Step 2: Convert to fraction form
    424,418.73/636,729.27 = 124,909.08/x
  3. Step 3: Cross multiply
    424,418.73x = 636,729.27 × 124,909.08
  4. Step 4: Simplify right side
    424,418.73x = 79,533,267,324.77
  5. Step 5: Solve for x
    x = 79,533,267,324.77/424,418.73
  6. Step 6: Final answer
    x = 187,393.40

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