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Finding the Fourth Proportional to 82,800.90, 114,047.58 and 63,644.04

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Solution

The fourth proportional to 82,800.90, 114,047.58 and 63,644.04 is: 87,661.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,800.90 : 114,047.58 = 63,644.04 : x
  2. Step 2: Convert to fraction form
    82,800.90/114,047.58 = 63,644.04/x
  3. Step 3: Cross multiply
    82,800.90x = 114,047.58 × 63,644.04
  4. Step 4: Simplify right side
    82,800.90x = 7,258,448,743.42
  5. Step 5: Solve for x
    x = 7,258,448,743.42/82,800.90
  6. Step 6: Final answer
    x = 87,661.47

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