Finding the Fourth Proportional to 2,500.95, 3,751.47 and 769.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,500.95 : 3,751.47 = 769.57 : x
2. Step 2: Convert to fraction form
   2,500.95/3,751.47 = 769.57/x
3. Step 3: Cross multiply
   2,500.95x = 3,751.47 × 769.57
4. Step 4: Simplify right side
   2,500.95x = 2,887,018.77
5. Step 5: Solve for x
   x = 2,887,018.77/2,500.95
6. Step 6: Final answer
   x = 1,154.37