Finding the Fourth Proportional to 6,411, 8,847.72 and 3,617.04

Step by Step Solution

1. Step 1: Write the proportion equation
   6,411 : 8,847.72 = 3,617.04 : x
2. Step 2: Convert to fraction form
   6,411/8,847.72 = 3,617.04/x
3. Step 3: Cross multiply
   6,411x = 8,847.72 × 3,617.04
4. Step 4: Simplify right side
   6,411x = 32,002,557.15
5. Step 5: Solve for x
   x = 32,002,557.15/6,411
6. Step 6: Final answer
   x = 4,991.82