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Finding the Fourth Proportional to 354,729.40, 532,092.70 and 105,411.40

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Solution

The fourth proportional to 354,729.40, 532,092.70 and 105,411.40 is: 158,116.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,729.40 : 532,092.70 = 105,411.40 : x
  2. Step 2: Convert to fraction form
    354,729.40/532,092.70 = 105,411.40/x
  3. Step 3: Cross multiply
    354,729.40x = 532,092.70 × 105,411.40
  4. Step 4: Simplify right side
    354,729.40x = 56,088,636,436.78
  5. Step 5: Solve for x
    x = 56,088,636,436.78/354,729.40
  6. Step 6: Final answer
    x = 158,116.68

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