Finding the Fourth Proportional to 5,108.55, 7,049.53 and 2,870.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,108.55 : 7,049.53 = 2,870.52 : x
2. Step 2: Convert to fraction form
   5,108.55/7,049.53 = 2,870.52/x
3. Step 3: Cross multiply
   5,108.55x = 7,049.53 × 2,870.52
4. Step 4: Simplify right side
   5,108.55x = 20,235,816.86
5. Step 5: Solve for x
   x = 20,235,816.86/5,108.55
6. Step 6: Final answer
   x = 3,961.17