Finding the Fourth Proportional to 2,219.27, 3,062.74 and 1,275.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,219.27 : 3,062.74 = 1,275.37 : x
2. Step 2: Convert to fraction form
   2,219.27/3,062.74 = 1,275.37/x
3. Step 3: Cross multiply
   2,219.27x = 3,062.74 × 1,275.37
4. Step 4: Simplify right side
   2,219.27x = 3,906,112.52
5. Step 5: Solve for x
   x = 3,906,112.52/2,219.27
6. Step 6: Final answer
   x = 1,760.09