Finding the Fourth Proportional to 6,264.86, 8,641.71 and 4,140.41

Step by Step Solution

1. Step 1: Write the proportion equation
   6,264.86 : 8,641.71 = 4,140.41 : x
2. Step 2: Convert to fraction form
   6,264.86/8,641.71 = 4,140.41/x
3. Step 3: Cross multiply
   6,264.86x = 8,641.71 × 4,140.41
4. Step 4: Simplify right side
   6,264.86x = 35,780,222.50
5. Step 5: Solve for x
   x = 35,780,222.50/6,264.86
6. Step 6: Final answer
   x = 5,711.26