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Finding the Fourth Proportional to 89,287.07, 123,221.61 and 59,019.89

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Solution

The fourth proportional to 89,287.07, 123,221.61 and 59,019.89 is: 81,451.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,287.07 : 123,221.61 = 59,019.89 : x
  2. Step 2: Convert to fraction form
    89,287.07/123,221.61 = 59,019.89/x
  3. Step 3: Cross multiply
    89,287.07x = 123,221.61 × 59,019.89
  4. Step 4: Simplify right side
    89,287.07x = 7,272,525,251.71
  5. Step 5: Solve for x
    x = 7,272,525,251.71/89,287.07
  6. Step 6: Final answer
    x = 81,451.05

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