Finding the Fourth Proportional to 2,637.94, 3,957.04 and 994.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,637.94 : 3,957.04 = 994.72 : x
2. Step 2: Convert to fraction form
   2,637.94/3,957.04 = 994.72/x
3. Step 3: Cross multiply
   2,637.94x = 3,957.04 × 994.72
4. Step 4: Simplify right side
   2,637.94x = 3,936,146.83
5. Step 5: Solve for x
   x = 3,936,146.83/2,637.94
6. Step 6: Final answer
   x = 1,492.13