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Finding the Fourth Proportional to 14,300.76, 19,744.66 and 8,931.36

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Solution

The fourth proportional to 14,300.76, 19,744.66 and 8,931.36 is: 12,331.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,300.76 : 19,744.66 = 8,931.36 : x
  2. Step 2: Convert to fraction form
    14,300.76/19,744.66 = 8,931.36/x
  3. Step 3: Cross multiply
    14,300.76x = 19,744.66 × 8,931.36
  4. Step 4: Simplify right side
    14,300.76x = 176,346,666.54
  5. Step 5: Solve for x
    x = 176,346,666.54/14,300.76
  6. Step 6: Final answer
    x = 12,331.28

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