Finding the Fourth Proportional to 2,510.07, 3,765.06 and 778.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,510.07 : 3,765.06 = 778.69 : x
2. Step 2: Convert to fraction form
   2,510.07/3,765.06 = 778.69/x
3. Step 3: Cross multiply
   2,510.07x = 3,765.06 × 778.69
4. Step 4: Simplify right side
   2,510.07x = 2,931,814.57
5. Step 5: Solve for x
   x = 2,931,814.57/2,510.07
6. Step 6: Final answer
   x = 1,168.02