Finding the Fourth Proportional to 2,529.42, 3,792.92 and 885.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,529.42 : 3,792.92 = 885.74 : x
2. Step 2: Convert to fraction form
   2,529.42/3,792.92 = 885.74/x
3. Step 3: Cross multiply
   2,529.42x = 3,792.92 × 885.74
4. Step 4: Simplify right side
   2,529.42x = 3,359,540.96
5. Step 5: Solve for x
   x = 3,359,540.96/2,529.42
6. Step 6: Final answer
   x = 1,328.19