Finding the Fourth Proportional to 8,938.80, 12,337.88 and 5,754.29

Step by Step Solution

1. Step 1: Write the proportion equation
   8,938.80 : 12,337.88 = 5,754.29 : x
2. Step 2: Convert to fraction form
   8,938.80/12,337.88 = 5,754.29/x
3. Step 3: Cross multiply
   8,938.80x = 12,337.88 × 5,754.29
4. Step 4: Simplify right side
   8,938.80x = 70,995,649.04
5. Step 5: Solve for x
   x = 70,995,649.04/8,938.80
6. Step 6: Final answer
   x = 7,942.41