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Finding the Fourth Proportional to 12,523.19, 18,785.19 and 5,945.99

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Solution

The fourth proportional to 12,523.19, 18,785.19 and 5,945.99 is: 8,919.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,523.19 : 18,785.19 = 5,945.99 : x
  2. Step 2: Convert to fraction form
    12,523.19/18,785.19 = 5,945.99/x
  3. Step 3: Cross multiply
    12,523.19x = 18,785.19 × 5,945.99
  4. Step 4: Simplify right side
    12,523.19x = 111,696,551.89
  5. Step 5: Solve for x
    x = 111,696,551.89/12,523.19
  6. Step 6: Final answer
    x = 8,919.18

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