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Finding the Fourth Proportional to 100,598.18, 138,837.76 and 57,593.66

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Solution

The fourth proportional to 100,598.18, 138,837.76 and 57,593.66 is: 79,486.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,598.18 : 138,837.76 = 57,593.66 : x
  2. Step 2: Convert to fraction form
    100,598.18/138,837.76 = 57,593.66/x
  3. Step 3: Cross multiply
    100,598.18x = 138,837.76 × 57,593.66
  4. Step 4: Simplify right side
    100,598.18x = 7,996,174,744.60
  5. Step 5: Solve for x
    x = 7,996,174,744.60/100,598.18
  6. Step 6: Final answer
    x = 79,486.28

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