Finding the Fourth Proportional to 5,108.56, 7,049.54 and 2,870.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,108.56 : 7,049.54 = 2,870.52 : x
2. Step 2: Convert to fraction form
   5,108.56/7,049.54 = 2,870.52/x
3. Step 3: Cross multiply
   5,108.56x = 7,049.54 × 2,870.52
4. Step 4: Simplify right side
   5,108.56x = 20,235,845.56
5. Step 5: Solve for x
   x = 20,235,845.56/5,108.56
6. Step 6: Final answer
   x = 3,961.16