Finding the Fourth Proportional to 2,222.56, 3,067.32 and 1,291.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.56 : 3,067.32 = 1,291.04 : x
2. Step 2: Convert to fraction form
   2,222.56/3,067.32 = 1,291.04/x
3. Step 3: Cross multiply
   2,222.56x = 3,067.32 × 1,291.04
4. Step 4: Simplify right side
   2,222.56x = 3,960,032.81
5. Step 5: Solve for x
   x = 3,960,032.81/2,222.56
6. Step 6: Final answer
   x = 1,781.74