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Finding the Fourth Proportional to 19,840.86, 29,761.47 and 5,049.80

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Solution

The fourth proportional to 19,840.86, 29,761.47 and 5,049.80 is: 7,574.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,840.86 : 29,761.47 = 5,049.80 : x
  2. Step 2: Convert to fraction form
    19,840.86/29,761.47 = 5,049.80/x
  3. Step 3: Cross multiply
    19,840.86x = 29,761.47 × 5,049.80
  4. Step 4: Simplify right side
    19,840.86x = 150,289,322.40
  5. Step 5: Solve for x
    x = 150,289,322.40/19,840.86
  6. Step 6: Final answer
    x = 7,574.74

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