Finding the Fourth Proportional to 2,227.50, 3,074.13 and 1,296.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227.50 : 3,074.13 = 1,296.18 : x
2. Step 2: Convert to fraction form
   2,227.50/3,074.13 = 1,296.18/x
3. Step 3: Cross multiply
   2,227.50x = 3,074.13 × 1,296.18
4. Step 4: Simplify right side
   2,227.50x = 3,984,625.82
5. Step 5: Solve for x
   x = 3,984,625.82/2,227.50
6. Step 6: Final answer
   x = 1,788.83