Finding the Fourth Proportional to 6,200.88, 8,561.40 and 4,108.56

Step by Step Solution

1. Step 1: Write the proportion equation
   6,200.88 : 8,561.40 = 4,108.56 : x
2. Step 2: Convert to fraction form
   6,200.88/8,561.40 = 4,108.56/x
3. Step 3: Cross multiply
   6,200.88x = 8,561.40 × 4,108.56
4. Step 4: Simplify right side
   6,200.88x = 35,175,025.58
5. Step 5: Solve for x
   x = 35,175,025.58/6,200.88
6. Step 6: Final answer
   x = 5,672.59