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Finding the Fourth Proportional to 88,891.40, 133,337.10 and 74,894.60

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Solution

The fourth proportional to 88,891.40, 133,337.10 and 74,894.60 is: 112,341.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,891.40 : 133,337.10 = 74,894.60 : x
  2. Step 2: Convert to fraction form
    88,891.40/133,337.10 = 74,894.60/x
  3. Step 3: Cross multiply
    88,891.40x = 133,337.10 × 74,894.60
  4. Step 4: Simplify right side
    88,891.40x = 9,986,228,769.66
  5. Step 5: Solve for x
    x = 9,986,228,769.66/88,891.40
  6. Step 6: Final answer
    x = 112,341.90

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