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Finding the Fourth Proportional to 111,297.72, 166,872.44 and 57,858.38

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Solution

The fourth proportional to 111,297.72, 166,872.44 and 57,858.38 is: 86,749.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,297.72 : 166,872.44 = 57,858.38 : x
  2. Step 2: Convert to fraction form
    111,297.72/166,872.44 = 57,858.38/x
  3. Step 3: Cross multiply
    111,297.72x = 166,872.44 × 57,858.38
  4. Step 4: Simplify right side
    111,297.72x = 9,654,969,045.05
  5. Step 5: Solve for x
    x = 9,654,969,045.05/111,297.72
  6. Step 6: Final answer
    x = 86,749.03

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