Finding the Fourth Proportional to 2,528.78, 3,786.52 and 2,032.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,528.78 : 3,786.52 = 2,032.55 : x
2. Step 2: Convert to fraction form
   2,528.78/3,786.52 = 2,032.55/x
3. Step 3: Cross multiply
   2,528.78x = 3,786.52 × 2,032.55
4. Step 4: Simplify right side
   2,528.78x = 7,696,292.32
5. Step 5: Solve for x
   x = 7,696,292.32/2,528.78
6. Step 6: Final answer
   x = 3,043.48