Finding the Fourth Proportional to 1,838.98, 2,753.59 and 1,107.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,838.98 : 2,753.59 = 1,107.55 : x
2. Step 2: Convert to fraction form
   1,838.98/2,753.59 = 1,107.55/x
3. Step 3: Cross multiply
   1,838.98x = 2,753.59 × 1,107.55
4. Step 4: Simplify right side
   1,838.98x = 3,049,738.60
5. Step 5: Solve for x
   x = 3,049,738.60/1,838.98
6. Step 6: Final answer
   x = 1,658.39