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Finding the Fourth Proportional to 89,691.80, 123,774.11 and 49,404.63

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Solution

The fourth proportional to 89,691.80, 123,774.11 and 49,404.63 is: 68,178.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,691.80 : 123,774.11 = 49,404.63 : x
  2. Step 2: Convert to fraction form
    89,691.80/123,774.11 = 49,404.63/x
  3. Step 3: Cross multiply
    89,691.80x = 123,774.11 × 49,404.63
  4. Step 4: Simplify right side
    89,691.80x = 6,115,013,984.62
  5. Step 5: Solve for x
    x = 6,115,013,984.62/89,691.80
  6. Step 6: Final answer
    x = 68,178.07

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