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Finding the Fourth Proportional to 85,502.98, 128,254.47 and 23,173.48

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Solution

The fourth proportional to 85,502.98, 128,254.47 and 23,173.48 is: 34,760.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,502.98 : 128,254.47 = 23,173.48 : x
  2. Step 2: Convert to fraction form
    85,502.98/128,254.47 = 23,173.48/x
  3. Step 3: Cross multiply
    85,502.98x = 128,254.47 × 23,173.48
  4. Step 4: Simplify right side
    85,502.98x = 2,972,102,395.46
  5. Step 5: Solve for x
    x = 2,972,102,395.46/85,502.98
  6. Step 6: Final answer
    x = 34,760.22

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