Finding the Fourth Proportional to 9,043.88, 12,480.89 and 5,065.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,043.88 : 12,480.89 = 5,065.02 : x
2. Step 2: Convert to fraction form
   9,043.88/12,480.89 = 5,065.02/x
3. Step 3: Cross multiply
   9,043.88x = 12,480.89 × 5,065.02
4. Step 4: Simplify right side
   9,043.88x = 63,215,932.14
5. Step 5: Solve for x
   x = 63,215,932.14/9,043.88
6. Step 6: Final answer
   x = 6,989.92