Finding the Fourth Proportional to 2,492.61, 3,739.50 and 849.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,492.61 : 3,739.50 = 849.15 : x
2. Step 2: Convert to fraction form
   2,492.61/3,739.50 = 849.15/x
3. Step 3: Cross multiply
   2,492.61x = 3,739.50 × 849.15
4. Step 4: Simplify right side
   2,492.61x = 3,175,396.43
5. Step 5: Solve for x
   x = 3,175,396.43/2,492.61
6. Step 6: Final answer
   x = 1,273.92