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Finding the Fourth Proportional to 18,591.36, 27,895.68 and 11,662.08

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Solution

The fourth proportional to 18,591.36, 27,895.68 and 11,662.08 is: 17,498.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591.36 : 27,895.68 = 11,662.08 : x
  2. Step 2: Convert to fraction form
    18,591.36/27,895.68 = 11,662.08/x
  3. Step 3: Cross multiply
    18,591.36x = 27,895.68 × 11,662.08
  4. Step 4: Simplify right side
    18,591.36x = 325,321,651.81
  5. Step 5: Solve for x
    x = 325,321,651.81/18,591.36
  6. Step 6: Final answer
    x = 17,498.54

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