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Finding the Fourth Proportional to 13,198.28, 19,798.74 and 4,880.48

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Solution

The fourth proportional to 13,198.28, 19,798.74 and 4,880.48 is: 7,321.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,198.28 : 19,798.74 = 4,880.48 : x
  2. Step 2: Convert to fraction form
    13,198.28/19,798.74 = 4,880.48/x
  3. Step 3: Cross multiply
    13,198.28x = 19,798.74 × 4,880.48
  4. Step 4: Simplify right side
    13,198.28x = 96,627,354.60
  5. Step 5: Solve for x
    x = 96,627,354.60/13,198.28
  6. Step 6: Final answer
    x = 7,321.21

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