Finding the Fourth Proportional to 2,492.80, 3,737.48 and 1,105.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,492.80 : 3,737.48 = 1,105.38 : x
2. Step 2: Convert to fraction form
   2,492.80/3,737.48 = 1,105.38/x
3. Step 3: Cross multiply
   2,492.80x = 3,737.48 × 1,105.38
4. Step 4: Simplify right side
   2,492.80x = 4,131,335.64
5. Step 5: Solve for x
   x = 4,131,335.64/2,492.80
6. Step 6: Final answer
   x = 1,657.31