Finding the Fourth Proportional to 2,240.24, 3,091.52 and 1,245.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,240.24 : 3,091.52 = 1,245.54 : x
2. Step 2: Convert to fraction form
   2,240.24/3,091.52 = 1,245.54/x
3. Step 3: Cross multiply
   2,240.24x = 3,091.52 × 1,245.54
4. Step 4: Simplify right side
   2,240.24x = 3,850,619.52
5. Step 5: Solve for x
   x = 3,850,619.52/2,240.24
6. Step 6: Final answer
   x = 1,718.84