Finding the Fourth Proportional to 2,510.90, 3,760.43 and 1,275.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,510.90 : 3,760.43 = 1,275.55 : x
2. Step 2: Convert to fraction form
   2,510.90/3,760.43 = 1,275.55/x
3. Step 3: Cross multiply
   2,510.90x = 3,760.43 × 1,275.55
4. Step 4: Simplify right side
   2,510.90x = 4,796,600.71
5. Step 5: Solve for x
   x = 4,796,600.71/2,510.90
6. Step 6: Final answer
   x = 1,910.31