Finding the Fourth Proportional to 2,528.69, 3,794.75 and 885.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,528.69 : 3,794.75 = 885.25 : x
2. Step 2: Convert to fraction form
   2,528.69/3,794.75 = 885.25/x
3. Step 3: Cross multiply
   2,528.69x = 3,794.75 × 885.25
4. Step 4: Simplify right side
   2,528.69x = 3,359,316.75
5. Step 5: Solve for x
   x = 3,359,316.75/2,528.69
6. Step 6: Final answer
   x = 1,328.48