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Finding the Fourth Proportional to 15,896.80, 23,845.20 and 8,898.40

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Solution

The fourth proportional to 15,896.80, 23,845.20 and 8,898.40 is: 13,347.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,896.80 : 23,845.20 = 8,898.40 : x
  2. Step 2: Convert to fraction form
    15,896.80/23,845.20 = 8,898.40/x
  3. Step 3: Cross multiply
    15,896.80x = 23,845.20 × 8,898.40
  4. Step 4: Simplify right side
    15,896.80x = 212,184,127.68
  5. Step 5: Solve for x
    x = 212,184,127.68/15,896.80
  6. Step 6: Final answer
    x = 13,347.60

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