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Finding the Fourth Proportional to 18,064.44, 27,061.59 and 13,311.97

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Solution

The fourth proportional to 18,064.44, 27,061.59 and 13,311.97 is: 19,942.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,064.44 : 27,061.59 = 13,311.97 : x
  2. Step 2: Convert to fraction form
    18,064.44/27,061.59 = 13,311.97/x
  3. Step 3: Cross multiply
    18,064.44x = 27,061.59 × 13,311.97
  4. Step 4: Simplify right side
    18,064.44x = 360,242,938.92
  5. Step 5: Solve for x
    x = 360,242,938.92/18,064.44
  6. Step 6: Final answer
    x = 19,942.10

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