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Finding the Fourth Proportional to 89,458.48, 123,459.15 and 53,647.84

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Solution

The fourth proportional to 89,458.48, 123,459.15 and 53,647.84 is: 74,037.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,458.48 : 123,459.15 = 53,647.84 : x
  2. Step 2: Convert to fraction form
    89,458.48/123,459.15 = 53,647.84/x
  3. Step 3: Cross multiply
    89,458.48x = 123,459.15 × 53,647.84
  4. Step 4: Simplify right side
    89,458.48x = 6,623,316,725.74
  5. Step 5: Solve for x
    x = 6,623,316,725.74/89,458.48
  6. Step 6: Final answer
    x = 74,037.89

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