Finding the Fourth Proportional to 2,240.16, 3,091.25 and 1,245.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,240.16 : 3,091.25 = 1,245.41 : x
2. Step 2: Convert to fraction form
   2,240.16/3,091.25 = 1,245.41/x
3. Step 3: Cross multiply
   2,240.16x = 3,091.25 × 1,245.41
4. Step 4: Simplify right side
   2,240.16x = 3,849,851.98
5. Step 5: Solve for x
   x = 3,849,851.98/2,240.16
6. Step 6: Final answer
   x = 1,718.56