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Finding the Fourth Proportional to 236,117.61, 354,082.46 and 86,323.77

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Solution

The fourth proportional to 236,117.61, 354,082.46 and 86,323.77 is: 129,451.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,117.61 : 354,082.46 = 86,323.77 : x
  2. Step 2: Convert to fraction form
    236,117.61/354,082.46 = 86,323.77/x
  3. Step 3: Cross multiply
    236,117.61x = 354,082.46 × 86,323.77
  4. Step 4: Simplify right side
    236,117.61x = 30,565,732,406.46
  5. Step 5: Solve for x
    x = 30,565,732,406.46/236,117.61
  6. Step 6: Final answer
    x = 129,451.30

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