Finding the Fourth Proportional to 1,838.10, 2,755.43 and 1,097.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,838.10 : 2,755.43 = 1,097.92 : x
2. Step 2: Convert to fraction form
   1,838.10/2,755.43 = 1,097.92/x
3. Step 3: Cross multiply
   1,838.10x = 2,755.43 × 1,097.92
4. Step 4: Simplify right side
   1,838.10x = 3,025,243.78
5. Step 5: Solve for x
   x = 3,025,243.78/1,838.10
6. Step 6: Final answer
   x = 1,645.85