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Finding the Fourth Proportional to 85,527.25, 128,296.15 and 32,936.78

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Solution

The fourth proportional to 85,527.25, 128,296.15 and 32,936.78 is: 49,407.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,527.25 : 128,296.15 = 32,936.78 : x
  2. Step 2: Convert to fraction form
    85,527.25/128,296.15 = 32,936.78/x
  3. Step 3: Cross multiply
    85,527.25x = 128,296.15 × 32,936.78
  4. Step 4: Simplify right side
    85,527.25x = 4,225,662,305.80
  5. Step 5: Solve for x
    x = 4,225,662,305.80/85,527.25
  6. Step 6: Final answer
    x = 49,407.21

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