Finding the Fourth Proportional to 2,242.30, 3,092.43 and 1,357.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,242.30 : 3,092.43 = 1,357.78 : x
2. Step 2: Convert to fraction form
   2,242.30/3,092.43 = 1,357.78/x
3. Step 3: Cross multiply
   2,242.30x = 3,092.43 × 1,357.78
4. Step 4: Simplify right side
   2,242.30x = 4,198,839.61
5. Step 5: Solve for x
   x = 4,198,839.61/2,242.30
6. Step 6: Final answer
   x = 1,872.56