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Finding the Fourth Proportional to 92,832.48, 128,090.16 and 57,028.32

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Solution

The fourth proportional to 92,832.48, 128,090.16 and 57,028.32 is: 78,687.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,832.48 : 128,090.16 = 57,028.32 : x
  2. Step 2: Convert to fraction form
    92,832.48/128,090.16 = 57,028.32/x
  3. Step 3: Cross multiply
    92,832.48x = 128,090.16 × 57,028.32
  4. Step 4: Simplify right side
    92,832.48x = 7,304,766,633.33
  5. Step 5: Solve for x
    x = 7,304,766,633.33/92,832.48
  6. Step 6: Final answer
    x = 78,687.62

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