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Finding the Fourth Proportional to 12,011.63, 18,023.92 and 5,855.63

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Solution

The fourth proportional to 12,011.63, 18,023.92 and 5,855.63 is: 8,786.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,011.63 : 18,023.92 = 5,855.63 : x
  2. Step 2: Convert to fraction form
    12,011.63/18,023.92 = 5,855.63/x
  3. Step 3: Cross multiply
    12,011.63x = 18,023.92 × 5,855.63
  4. Step 4: Simplify right side
    12,011.63x = 105,541,301.91
  5. Step 5: Solve for x
    x = 105,541,301.91/12,011.63
  6. Step 6: Final answer
    x = 8,786.60

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