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Finding the Fourth Proportional to 74,706.60, 112,059.90 and 53,711.40

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Solution

The fourth proportional to 74,706.60, 112,059.90 and 53,711.40 is: 80,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,706.60 : 112,059.90 = 53,711.40 : x
  2. Step 2: Convert to fraction form
    74,706.60/112,059.90 = 53,711.40/x
  3. Step 3: Cross multiply
    74,706.60x = 112,059.90 × 53,711.40
  4. Step 4: Simplify right side
    74,706.60x = 6,018,894,112.86
  5. Step 5: Solve for x
    x = 6,018,894,112.86/74,706.60
  6. Step 6: Final answer
    x = 80,567.10

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