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Finding the Fourth Proportional to 89,780.46, 123,897.90 and 49,495.80

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Solution

The fourth proportional to 89,780.46, 123,897.90 and 49,495.80 is: 68,304.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,780.46 : 123,897.90 = 49,495.80 : x
  2. Step 2: Convert to fraction form
    89,780.46/123,897.90 = 49,495.80/x
  3. Step 3: Cross multiply
    89,780.46x = 123,897.90 × 49,495.80
  4. Step 4: Simplify right side
    89,780.46x = 6,132,425,678.82
  5. Step 5: Solve for x
    x = 6,132,425,678.82/89,780.46
  6. Step 6: Final answer
    x = 68,304.68

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