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Finding the Fourth Proportional to 85,601.91, 128,456.18 and 41,233.15

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Solution

The fourth proportional to 85,601.91, 128,456.18 and 41,233.15 is: 61,875.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,601.91 : 128,456.18 = 41,233.15 : x
  2. Step 2: Convert to fraction form
    85,601.91/128,456.18 = 41,233.15/x
  3. Step 3: Cross multiply
    85,601.91x = 128,456.18 × 41,233.15
  4. Step 4: Simplify right side
    85,601.91x = 5,296,653,047.40
  5. Step 5: Solve for x
    x = 5,296,653,047.40/85,601.91
  6. Step 6: Final answer
    x = 61,875.40

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