Finding the Fourth Proportional to 2,381.92, 3,573.57 and 994.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,381.92 : 3,573.57 = 994.54 : x
2. Step 2: Convert to fraction form
   2,381.92/3,573.57 = 994.54/x
3. Step 3: Cross multiply
   2,381.92x = 3,573.57 × 994.54
4. Step 4: Simplify right side
   2,381.92x = 3,554,058.31
5. Step 5: Solve for x
   x = 3,554,058.31/2,381.92
6. Step 6: Final answer
   x = 1,492.10