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Finding the Fourth Proportional to 14,011.63, 19,336.46 and 7,724.41

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Solution

The fourth proportional to 14,011.63, 19,336.46 and 7,724.41 is: 10,659.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,011.63 : 19,336.46 = 7,724.41 : x
  2. Step 2: Convert to fraction form
    14,011.63/19,336.46 = 7,724.41/x
  3. Step 3: Cross multiply
    14,011.63x = 19,336.46 × 7,724.41
  4. Step 4: Simplify right side
    14,011.63x = 149,362,744.99
  5. Step 5: Solve for x
    x = 149,362,744.99/14,011.63
  6. Step 6: Final answer
    x = 10,659.91

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