Finding the Fourth Proportional to 2,240.79, 3,090.12 and 1,494.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,240.79 : 3,090.12 = 1,494.78 : x
2. Step 2: Convert to fraction form
   2,240.79/3,090.12 = 1,494.78/x
3. Step 3: Cross multiply
   2,240.79x = 3,090.12 × 1,494.78
4. Step 4: Simplify right side
   2,240.79x = 4,619,049.57
5. Step 5: Solve for x
   x = 4,619,049.57/2,240.79
6. Step 6: Final answer
   x = 2,061.35