Finding the Fourth Proportional to 2,227.60, 3,341.46 and 994.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227.60 : 3,341.46 = 994.72 : x
2. Step 2: Convert to fraction form
   2,227.60/3,341.46 = 994.72/x
3. Step 3: Cross multiply
   2,227.60x = 3,341.46 × 994.72
4. Step 4: Simplify right side
   2,227.60x = 3,323,817.09
5. Step 5: Solve for x
   x = 3,323,817.09/2,227.60
6. Step 6: Final answer
   x = 1,492.11