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Finding the Fourth Proportional to 89,644.89, 134,424.46 and 52,215.64

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Solution

The fourth proportional to 89,644.89, 134,424.46 and 52,215.64 is: 78,298.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,644.89 : 134,424.46 = 52,215.64 : x
  2. Step 2: Convert to fraction form
    89,644.89/134,424.46 = 52,215.64/x
  3. Step 3: Cross multiply
    89,644.89x = 134,424.46 × 52,215.64
  4. Step 4: Simplify right side
    89,644.89x = 7,019,058,939.76
  5. Step 5: Solve for x
    x = 7,019,058,939.76/89,644.89
  6. Step 6: Final answer
    x = 78,298.48

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