Finding the Fourth Proportional to 3,150.72, 4,348.16 and 2,268.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,150.72 : 4,348.16 = 2,268.80 : x
2. Step 2: Convert to fraction form
   3,150.72/4,348.16 = 2,268.80/x
3. Step 3: Cross multiply
   3,150.72x = 4,348.16 × 2,268.80
4. Step 4: Simplify right side
   3,150.72x = 9,865,105.41
5. Step 5: Solve for x
   x = 9,865,105.41/3,150.72
6. Step 6: Final answer
   x = 3,131.06