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Finding the Fourth Proportional to 89,718.30, 134,411.40 and 52,296.30

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Solution

The fourth proportional to 89,718.30, 134,411.40 and 52,296.30 is: 78,347.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,718.30 : 134,411.40 = 52,296.30 : x
  2. Step 2: Convert to fraction form
    89,718.30/134,411.40 = 52,296.30/x
  3. Step 3: Cross multiply
    89,718.30x = 134,411.40 × 52,296.30
  4. Step 4: Simplify right side
    89,718.30x = 7,029,218,897.82
  5. Step 5: Solve for x
    x = 7,029,218,897.82/89,718.30
  6. Step 6: Final answer
    x = 78,347.66

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