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Finding the Fourth Proportional to 103,694.80, 155,542.20 and 44,520.40

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Solution

The fourth proportional to 103,694.80, 155,542.20 and 44,520.40 is: 66,780.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,694.80 : 155,542.20 = 44,520.40 : x
  2. Step 2: Convert to fraction form
    103,694.80/155,542.20 = 44,520.40/x
  3. Step 3: Cross multiply
    103,694.80x = 155,542.20 × 44,520.40
  4. Step 4: Simplify right side
    103,694.80x = 6,924,800,960.88
  5. Step 5: Solve for x
    x = 6,924,800,960.88/103,694.80
  6. Step 6: Final answer
    x = 66,780.60

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