Finding the Fourth Proportional to 2,492.39, 3,738.92 and 1,105.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,492.39 : 3,738.92 = 1,105.69 : x
2. Step 2: Convert to fraction form
   2,492.39/3,738.92 = 1,105.69/x
3. Step 3: Cross multiply
   2,492.39x = 3,738.92 × 1,105.69
4. Step 4: Simplify right side
   2,492.39x = 4,134,086.45
5. Step 5: Solve for x
   x = 4,134,086.45/2,492.39
6. Step 6: Final answer
   x = 1,658.69