Finding the Fourth Proportional to 2,529.72, 3,793.68 and 885.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,529.72 : 3,793.68 = 885.96 : x
2. Step 2: Convert to fraction form
   2,529.72/3,793.68 = 885.96/x
3. Step 3: Cross multiply
   2,529.72x = 3,793.68 × 885.96
4. Step 4: Simplify right side
   2,529.72x = 3,361,048.73
5. Step 5: Solve for x
   x = 3,361,048.73/2,529.72
6. Step 6: Final answer
   x = 1,328.62