Finding the Fourth Proportional to 8,872.56, 13,304.52 and 3,938.04

Step by Step Solution

1. Step 1: Write the proportion equation
   8,872.56 : 13,304.52 = 3,938.04 : x
2. Step 2: Convert to fraction form
   8,872.56/13,304.52 = 3,938.04/x
3. Step 3: Cross multiply
   8,872.56x = 13,304.52 × 3,938.04
4. Step 4: Simplify right side
   8,872.56x = 52,393,731.94
5. Step 5: Solve for x
   x = 52,393,731.94/8,872.56
6. Step 6: Final answer
   x = 5,905.14