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Finding the Fourth Proportional to 258,244.48, 387,389.04 and 71,255.98

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Solution

The fourth proportional to 258,244.48, 387,389.04 and 71,255.98 is: 106,890.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,244.48 : 387,389.04 = 71,255.98 : x
  2. Step 2: Convert to fraction form
    258,244.48/387,389.04 = 71,255.98/x
  3. Step 3: Cross multiply
    258,244.48x = 387,389.04 × 71,255.98
  4. Step 4: Simplify right side
    258,244.48x = 27,603,785,686.46
  5. Step 5: Solve for x
    x = 27,603,785,686.46/258,244.48
  6. Step 6: Final answer
    x = 106,890.13

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