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Finding the Fourth Proportional to 10,968.40, 16,452.60 and 9,758.80

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Solution

The fourth proportional to 10,968.40, 16,452.60 and 9,758.80 is: 14,638.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,968.40 : 16,452.60 = 9,758.80 : x
  2. Step 2: Convert to fraction form
    10,968.40/16,452.60 = 9,758.80/x
  3. Step 3: Cross multiply
    10,968.40x = 16,452.60 × 9,758.80
  4. Step 4: Simplify right side
    10,968.40x = 160,557,632.88
  5. Step 5: Solve for x
    x = 160,557,632.88/10,968.40
  6. Step 6: Final answer
    x = 14,638.20

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