Finding the Fourth Proportional to 6,418.41, 8,856.82 and 3,585.39

Step by Step Solution

1. Step 1: Write the proportion equation
   6,418.41 : 8,856.82 = 3,585.39 : x
2. Step 2: Convert to fraction form
   6,418.41/8,856.82 = 3,585.39/x
3. Step 3: Cross multiply
   6,418.41x = 8,856.82 × 3,585.39
4. Step 4: Simplify right side
   6,418.41x = 31,755,153.86
5. Step 5: Solve for x
   x = 31,755,153.86/6,418.41
6. Step 6: Final answer
   x = 4,947.51