Finding the Fourth Proportional to 2,500.16, 3,749.16 and 768.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,500.16 : 3,749.16 = 768.38 : x
2. Step 2: Convert to fraction form
   2,500.16/3,749.16 = 768.38/x
3. Step 3: Cross multiply
   2,500.16x = 3,749.16 × 768.38
4. Step 4: Simplify right side
   2,500.16x = 2,880,779.56
5. Step 5: Solve for x
   x = 2,880,779.56/2,500.16
6. Step 6: Final answer
   x = 1,152.24