Finding the Fourth Proportional to 8,757.08, 13,143.50 and 5,939.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,757.08 : 13,143.50 = 5,939.10 : x
2. Step 2: Convert to fraction form
   8,757.08/13,143.50 = 5,939.10/x
3. Step 3: Cross multiply
   8,757.08x = 13,143.50 × 5,939.10
4. Step 4: Simplify right side
   8,757.08x = 78,060,560.85
5. Step 5: Solve for x
   x = 78,060,560.85/8,757.08
6. Step 6: Final answer
   x = 8,913.99