Finding the Fourth Proportional to 2,381.96, 3,573.86 and 994.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,381.96 : 3,573.86 = 994.91 : x
2. Step 2: Convert to fraction form
   2,381.96/3,573.86 = 994.91/x
3. Step 3: Cross multiply
   2,381.96x = 3,573.86 × 994.91
4. Step 4: Simplify right side
   2,381.96x = 3,555,646.21
5. Step 5: Solve for x
   x = 3,555,646.21/2,381.96
6. Step 6: Final answer
   x = 1,492.74