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Finding the Fourth Proportional to 65,892.23, 90,840.89 and 41,681.15

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Solution

The fourth proportional to 65,892.23, 90,840.89 and 41,681.15 is: 57,462.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,892.23 : 90,840.89 = 41,681.15 : x
  2. Step 2: Convert to fraction form
    65,892.23/90,840.89 = 41,681.15/x
  3. Step 3: Cross multiply
    65,892.23x = 90,840.89 × 41,681.15
  4. Step 4: Simplify right side
    65,892.23x = 3,786,352,099.61
  5. Step 5: Solve for x
    x = 3,786,352,099.61/65,892.23
  6. Step 6: Final answer
    x = 57,462.81

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