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Finding the Fourth Proportional to 65,904.20, 98,856.30 and 54,094.40

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Solution

The fourth proportional to 65,904.20, 98,856.30 and 54,094.40 is: 81,141.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,904.20 : 98,856.30 = 54,094.40 : x
  2. Step 2: Convert to fraction form
    65,904.20/98,856.30 = 54,094.40/x
  3. Step 3: Cross multiply
    65,904.20x = 98,856.30 × 54,094.40
  4. Step 4: Simplify right side
    65,904.20x = 5,347,572,234.72
  5. Step 5: Solve for x
    x = 5,347,572,234.72/65,904.20
  6. Step 6: Final answer
    x = 81,141.60

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