Finding the Fourth Proportional to 6,091.12, 8,404.10 and 3,669.20

Step by Step Solution

1. Step 1: Write the proportion equation
   6,091.12 : 8,404.10 = 3,669.20 : x
2. Step 2: Convert to fraction form
   6,091.12/8,404.10 = 3,669.20/x
3. Step 3: Cross multiply
   6,091.12x = 8,404.10 × 3,669.20
4. Step 4: Simplify right side
   6,091.12x = 30,836,323.72
5. Step 5: Solve for x
   x = 30,836,323.72/6,091.12
6. Step 6: Final answer
   x = 5,062.50