Finding the Fourth Proportional to 5,049.86, 7,574.84 and 3,150.76

Step by Step Solution

1. Step 1: Write the proportion equation
   5,049.86 : 7,574.84 = 3,150.76 : x
2. Step 2: Convert to fraction form
   5,049.86/7,574.84 = 3,150.76/x
3. Step 3: Cross multiply
   5,049.86x = 7,574.84 × 3,150.76
4. Step 4: Simplify right side
   5,049.86x = 23,866,502.88
5. Step 5: Solve for x
   x = 23,866,502.88/5,049.86
6. Step 6: Final answer
   x = 4,726.17