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Finding the Fourth Proportional to 72,589.72, 108,663.44 and 58,417.96

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Solution

The fourth proportional to 72,589.72, 108,663.44 and 58,417.96 is: 87,448.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,589.72 : 108,663.44 = 58,417.96 : x
  2. Step 2: Convert to fraction form
    72,589.72/108,663.44 = 58,417.96/x
  3. Step 3: Cross multiply
    72,589.72x = 108,663.44 × 58,417.96
  4. Step 4: Simplify right side
    72,589.72x = 6,347,896,491.38
  5. Step 5: Solve for x
    x = 6,347,896,491.38/72,589.72
  6. Step 6: Final answer
    x = 87,448.97

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