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Finding the Fourth Proportional to 17,312.40, 25,968.60 and 11,079.45

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Solution

The fourth proportional to 17,312.40, 25,968.60 and 11,079.45 is: 16,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,312.40 : 25,968.60 = 11,079.45 : x
  2. Step 2: Convert to fraction form
    17,312.40/25,968.60 = 11,079.45/x
  3. Step 3: Cross multiply
    17,312.40x = 25,968.60 × 11,079.45
  4. Step 4: Simplify right side
    17,312.40x = 287,717,805.27
  5. Step 5: Solve for x
    x = 287,717,805.27/17,312.40
  6. Step 6: Final answer
    x = 16,619.18

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