Finding the Fourth Proportional to 2,529.69, 3,792.22 and 885.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,529.69 : 3,792.22 = 885.34 : x
2. Step 2: Convert to fraction form
   2,529.69/3,792.22 = 885.34/x
3. Step 3: Cross multiply
   2,529.69x = 3,792.22 × 885.34
4. Step 4: Simplify right side
   2,529.69x = 3,357,404.05
5. Step 5: Solve for x
   x = 3,357,404.05/2,529.69
6. Step 6: Final answer
   x = 1,327.20