Finding the Fourth Proportional to 1,793.72, 2,474.73 and 1,085.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,793.72 : 2,474.73 = 1,085.78 : x
2. Step 2: Convert to fraction form
   1,793.72/2,474.73 = 1,085.78/x
3. Step 3: Cross multiply
   1,793.72x = 2,474.73 × 1,085.78
4. Step 4: Simplify right side
   1,793.72x = 2,687,018.53
5. Step 5: Solve for x
   x = 2,687,018.53/1,793.72
6. Step 6: Final answer
   x = 1,498.01