Finding the Fourth Proportional to 2,528.20, 3,792.69 and 884.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,528.20 : 3,792.69 = 884.62 : x
2. Step 2: Convert to fraction form
   2,528.20/3,792.69 = 884.62/x
3. Step 3: Cross multiply
   2,528.20x = 3,792.69 × 884.62
4. Step 4: Simplify right side
   2,528.20x = 3,355,090.44
5. Step 5: Solve for x
   x = 3,355,090.44/2,528.20
6. Step 6: Final answer
   x = 1,327.07