Finding the Fourth Proportional to 2,510.17, 3,767.56 and 1,278.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,510.17 : 3,767.56 = 1,278.43 : x
2. Step 2: Convert to fraction form
   2,510.17/3,767.56 = 1,278.43/x
3. Step 3: Cross multiply
   2,510.17x = 3,767.56 × 1,278.43
4. Step 4: Simplify right side
   2,510.17x = 4,816,549.12
5. Step 5: Solve for x
   x = 4,816,549.12/2,510.17
6. Step 6: Final answer
   x = 1,918.82