Finding the Fourth Proportional to 6,091.86, 8,406.78 and 3,297.36

Step by Step Solution

1. Step 1: Write the proportion equation
   6,091.86 : 8,406.78 = 3,297.36 : x
2. Step 2: Convert to fraction form
   6,091.86/8,406.78 = 3,297.36/x
3. Step 3: Cross multiply
   6,091.86x = 8,406.78 × 3,297.36
4. Step 4: Simplify right side
   6,091.86x = 27,720,180.10
5. Step 5: Solve for x
   x = 27,720,180.10/6,091.86
6. Step 6: Final answer
   x = 4,550.36