Finding the Fourth Proportional to 8,877.43, 12,243.93 and 5,691.03

Step by Step Solution

1. Step 1: Write the proportion equation
   8,877.43 : 12,243.93 = 5,691.03 : x
2. Step 2: Convert to fraction form
   8,877.43/12,243.93 = 5,691.03/x
3. Step 3: Cross multiply
   8,877.43x = 12,243.93 × 5,691.03
4. Step 4: Simplify right side
   8,877.43x = 69,680,505.69
5. Step 5: Solve for x
   x = 69,680,505.69/8,877.43
6. Step 6: Final answer
   x = 7,849.17