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Finding the Fourth Proportional to 13,244.16, 19,866.36 and 4,479.12

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Solution

The fourth proportional to 13,244.16, 19,866.36 and 4,479.12 is: 6,718.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.16 : 19,866.36 = 4,479.12 : x
  2. Step 2: Convert to fraction form
    13,244.16/19,866.36 = 4,479.12/x
  3. Step 3: Cross multiply
    13,244.16x = 19,866.36 × 4,479.12
  4. Step 4: Simplify right side
    13,244.16x = 88,983,810.40
  5. Step 5: Solve for x
    x = 88,983,810.40/13,244.16
  6. Step 6: Final answer
    x = 6,718.72

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