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Finding the Fourth Proportional to 13,799.79, 19,043.51 and 8,494.49

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Solution

The fourth proportional to 13,799.79, 19,043.51 and 8,494.49 is: 11,722.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799.79 : 19,043.51 = 8,494.49 : x
  2. Step 2: Convert to fraction form
    13,799.79/19,043.51 = 8,494.49/x
  3. Step 3: Cross multiply
    13,799.79x = 19,043.51 × 8,494.49
  4. Step 4: Simplify right side
    13,799.79x = 161,764,767.57
  5. Step 5: Solve for x
    x = 161,764,767.57/13,799.79
  6. Step 6: Final answer
    x = 11,722.26

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