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Finding the Fourth Proportional to 57,755.44, 86,645.40 and 18,307.36

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Solution

The fourth proportional to 57,755.44, 86,645.40 and 18,307.36 is: 27,464.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,755.44 : 86,645.40 = 18,307.36 : x
  2. Step 2: Convert to fraction form
    57,755.44/86,645.40 = 18,307.36/x
  3. Step 3: Cross multiply
    57,755.44x = 86,645.40 × 18,307.36
  4. Step 4: Simplify right side
    57,755.44x = 1,586,248,530.14
  5. Step 5: Solve for x
    x = 1,586,248,530.14/57,755.44
  6. Step 6: Final answer
    x = 27,464.92

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