Finding the Fourth Proportional to 6,155.68, 8,494.72 and 3,361.20

Step by Step Solution

1. Step 1: Write the proportion equation
   6,155.68 : 8,494.72 = 3,361.20 : x
2. Step 2: Convert to fraction form
   6,155.68/8,494.72 = 3,361.20/x
3. Step 3: Cross multiply
   6,155.68x = 8,494.72 × 3,361.20
4. Step 4: Simplify right side
   6,155.68x = 28,552,452.86
5. Step 5: Solve for x
   x = 28,552,452.86/6,155.68
6. Step 6: Final answer
   x = 4,638.39