Finding the Fourth Proportional to 2,240.27, 3,091.68 and 1,245.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,240.27 : 3,091.68 = 1,245.56 : x
2. Step 2: Convert to fraction form
   2,240.27/3,091.68 = 1,245.56/x
3. Step 3: Cross multiply
   2,240.27x = 3,091.68 × 1,245.56
4. Step 4: Simplify right side
   2,240.27x = 3,850,880.67
5. Step 5: Solve for x
   x = 3,850,880.67/2,240.27
6. Step 6: Final answer
   x = 1,718.94