Finding the Fourth Proportional to 6,411.42, 8,847.69 and 3,616.86

Step by Step Solution

1. Step 1: Write the proportion equation
   6,411.42 : 8,847.69 = 3,616.86 : x
2. Step 2: Convert to fraction form
   6,411.42/8,847.69 = 3,616.86/x
3. Step 3: Cross multiply
   6,411.42x = 8,847.69 × 3,616.86
4. Step 4: Simplify right side
   6,411.42x = 32,000,856.05
5. Step 5: Solve for x
   x = 32,000,856.05/6,411.42
6. Step 6: Final answer
   x = 4,991.23