Finding the Fourth Proportional to 2,492.39, 3,739.41 and 1,105.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,492.39 : 3,739.41 = 1,105.53 : x
2. Step 2: Convert to fraction form
   2,492.39/3,739.41 = 1,105.53/x
3. Step 3: Cross multiply
   2,492.39x = 3,739.41 × 1,105.53
4. Step 4: Simplify right side
   2,492.39x = 4,134,029.94
5. Step 5: Solve for x
   x = 4,134,029.94/2,492.39
6. Step 6: Final answer
   x = 1,658.66