Finding the Fourth Proportional to 8,268.79, 12,397.78 and 3,002.80

Step by Step Solution

1. Step 1: Write the proportion equation
   8,268.79 : 12,397.78 = 3,002.80 : x
2. Step 2: Convert to fraction form
   8,268.79/12,397.78 = 3,002.80/x
3. Step 3: Cross multiply
   8,268.79x = 12,397.78 × 3,002.80
4. Step 4: Simplify right side
   8,268.79x = 37,228,053.78
5. Step 5: Solve for x
   x = 37,228,053.78/8,268.79
6. Step 6: Final answer
   x = 4,502.24