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Finding the Fourth Proportional to 65,860.20, 98,502.30 and 58,890.60

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Solution

The fourth proportional to 65,860.20, 98,502.30 and 58,890.60 is: 88,078.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,860.20 : 98,502.30 = 58,890.60 : x
  2. Step 2: Convert to fraction form
    65,860.20/98,502.30 = 58,890.60/x
  3. Step 3: Cross multiply
    65,860.20x = 98,502.30 × 58,890.60
  4. Step 4: Simplify right side
    65,860.20x = 5,800,859,548.38
  5. Step 5: Solve for x
    x = 5,800,859,548.38/65,860.20
  6. Step 6: Final answer
    x = 88,078.38

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