Finding the Fourth Proportional to 2,492.56, 3,737.79 and 849.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,492.56 : 3,737.79 = 849.21 : x
2. Step 2: Convert to fraction form
   2,492.56/3,737.79 = 849.21/x
3. Step 3: Cross multiply
   2,492.56x = 3,737.79 × 849.21
4. Step 4: Simplify right side
   2,492.56x = 3,174,168.65
5. Step 5: Solve for x
   x = 3,174,168.65/2,492.56
6. Step 6: Final answer
   x = 1,273.46