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Finding the Fourth Proportional to 13,194.77, 19,787.20 and 4,308.03

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Solution

The fourth proportional to 13,194.77, 19,787.20 and 4,308.03 is: 6,460.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.77 : 19,787.20 = 4,308.03 : x
  2. Step 2: Convert to fraction form
    13,194.77/19,787.20 = 4,308.03/x
  3. Step 3: Cross multiply
    13,194.77x = 19,787.20 × 4,308.03
  4. Step 4: Simplify right side
    13,194.77x = 85,243,840.45
  5. Step 5: Solve for x
    x = 85,243,840.45/13,194.77
  6. Step 6: Final answer
    x = 6,460.43

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