Finding the Fourth Proportional to 2,528.42, 3,792.93 and 885.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,528.42 : 3,792.93 = 885.54 : x
2. Step 2: Convert to fraction form
   2,528.42/3,792.93 = 885.54/x
3. Step 3: Cross multiply
   2,528.42x = 3,792.93 × 885.54
4. Step 4: Simplify right side
   2,528.42x = 3,358,791.23
5. Step 5: Solve for x
   x = 3,358,791.23/2,528.42
6. Step 6: Final answer
   x = 1,328.42