Finding the Fourth Proportional to 2,506.10, 3,759.78 and 1,274.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,506.10 : 3,759.78 = 1,274.18 : x
2. Step 2: Convert to fraction form
   2,506.10/3,759.78 = 1,274.18/x
3. Step 3: Cross multiply
   2,506.10x = 3,759.78 × 1,274.18
4. Step 4: Simplify right side
   2,506.10x = 4,790,636.48
5. Step 5: Solve for x
   x = 4,790,636.48/2,506.10
6. Step 6: Final answer
   x = 1,911.59