Finding the Fourth Proportional to 2,240.50, 3,091.93 and 1,245.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,240.50 : 3,091.93 = 1,245.82 : x
2. Step 2: Convert to fraction form
   2,240.50/3,091.93 = 1,245.82/x
3. Step 3: Cross multiply
   2,240.50x = 3,091.93 × 1,245.82
4. Step 4: Simplify right side
   2,240.50x = 3,851,988.23
5. Step 5: Solve for x
   x = 3,851,988.23/2,240.50
6. Step 6: Final answer
   x = 1,719.25