Finding the Fourth Proportional to 2,500.88, 3,751.52 and 769.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,500.88 : 3,751.52 = 769.50 : x
2. Step 2: Convert to fraction form
   2,500.88/3,751.52 = 769.50/x
3. Step 3: Cross multiply
   2,500.88x = 3,751.52 × 769.50
4. Step 4: Simplify right side
   2,500.88x = 2,886,790.79
5. Step 5: Solve for x
   x = 2,886,790.79/2,500.88
6. Step 6: Final answer
   x = 1,154.31