Finding the Fourth Proportional to 8,480.16, 12,722.71 and 3,799.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,480.16 : 12,722.71 = 3,799.12 : x
2. Step 2: Convert to fraction form
   8,480.16/12,722.71 = 3,799.12/x
3. Step 3: Cross multiply
   8,480.16x = 12,722.71 × 3,799.12
4. Step 4: Simplify right side
   8,480.16x = 48,335,102.02
5. Step 5: Solve for x
   x = 48,335,102.02/8,480.16
6. Step 6: Final answer
   x = 5,699.79