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Finding the Fourth Proportional to 73,722.12, 110,583.18 and 18,318.12

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Solution

The fourth proportional to 73,722.12, 110,583.18 and 18,318.12 is: 27,477.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,722.12 : 110,583.18 = 18,318.12 : x
  2. Step 2: Convert to fraction form
    73,722.12/110,583.18 = 18,318.12/x
  3. Step 3: Cross multiply
    73,722.12x = 110,583.18 × 18,318.12
  4. Step 4: Simplify right side
    73,722.12x = 2,025,675,961.22
  5. Step 5: Solve for x
    x = 2,025,675,961.22/73,722.12
  6. Step 6: Final answer
    x = 27,477.18

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