Finding the Fourth Proportional to 9,939.34, 13,713.28 and 5,959

Step by Step Solution

1. Step 1: Write the proportion equation
   9,939.34 : 13,713.28 = 5,959 : x
2. Step 2: Convert to fraction form
   9,939.34/13,713.28 = 5,959/x
3. Step 3: Cross multiply
   9,939.34x = 13,713.28 × 5,959
4. Step 4: Simplify right side
   9,939.34x = 81,717,435.52
5. Step 5: Solve for x
   x = 81,717,435.52/9,939.34
6. Step 6: Final answer
   x = 8,221.62