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Finding the Fourth Proportional to 57,837.16, 86,755.74 and 30,189.16

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Solution

The fourth proportional to 57,837.16, 86,755.74 and 30,189.16 is: 45,283.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,837.16 : 86,755.74 = 30,189.16 : x
  2. Step 2: Convert to fraction form
    57,837.16/86,755.74 = 30,189.16/x
  3. Step 3: Cross multiply
    57,837.16x = 86,755.74 × 30,189.16
  4. Step 4: Simplify right side
    57,837.16x = 2,619,082,915.78
  5. Step 5: Solve for x
    x = 2,619,082,915.78/57,837.16
  6. Step 6: Final answer
    x = 45,283.74

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