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Finding the Fourth Proportional to 11,739.15, 17,602.95 and 5,809.20

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Solution

The fourth proportional to 11,739.15, 17,602.95 and 5,809.20 is: 8,710.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,739.15 : 17,602.95 = 5,809.20 : x
  2. Step 2: Convert to fraction form
    11,739.15/17,602.95 = 5,809.20/x
  3. Step 3: Cross multiply
    11,739.15x = 17,602.95 × 5,809.20
  4. Step 4: Simplify right side
    11,739.15x = 102,259,057.14
  5. Step 5: Solve for x
    x = 102,259,057.14/11,739.15
  6. Step 6: Final answer
    x = 8,710.94

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