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Finding the Fourth Proportional to 14,026.78, 19,357.36 and 7,739.56

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Solution

The fourth proportional to 14,026.78, 19,357.36 and 7,739.56 is: 10,680.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,026.78 : 19,357.36 = 7,739.56 : x
  2. Step 2: Convert to fraction form
    14,026.78/19,357.36 = 7,739.56/x
  3. Step 3: Cross multiply
    14,026.78x = 19,357.36 × 7,739.56
  4. Step 4: Simplify right side
    14,026.78x = 149,817,497.54
  5. Step 5: Solve for x
    x = 149,817,497.54/14,026.78
  6. Step 6: Final answer
    x = 10,680.82

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