Finding the Fourth Proportional to 2,510.33, 3,766.10 and 1,277.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,510.33 : 3,766.10 = 1,277.78 : x
2. Step 2: Convert to fraction form
   2,510.33/3,766.10 = 1,277.78/x
3. Step 3: Cross multiply
   2,510.33x = 3,766.10 × 1,277.78
4. Step 4: Simplify right side
   2,510.33x = 4,812,222.04
5. Step 5: Solve for x
   x = 4,812,222.04/2,510.33
6. Step 6: Final answer
   x = 1,916.97