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Finding the Fourth Proportional to 157,855.54, 217,837.08 and 86,235.88

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Solution

The fourth proportional to 157,855.54, 217,837.08 and 86,235.88 is: 119,003.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,855.54 : 217,837.08 = 86,235.88 : x
  2. Step 2: Convert to fraction form
    157,855.54/217,837.08 = 86,235.88/x
  3. Step 3: Cross multiply
    157,855.54x = 217,837.08 × 86,235.88
  4. Step 4: Simplify right side
    157,855.54x = 18,785,372,290.43
  5. Step 5: Solve for x
    x = 18,785,372,290.43/157,855.54
  6. Step 6: Final answer
    x = 119,003.57

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