Finding the Fourth Proportional to 2,223.27, 3,068.15 and 1,291.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,223.27 : 3,068.15 = 1,291.77 : x
2. Step 2: Convert to fraction form
   2,223.27/3,068.15 = 1,291.77/x
3. Step 3: Cross multiply
   2,223.27x = 3,068.15 × 1,291.77
4. Step 4: Simplify right side
   2,223.27x = 3,963,337.67
5. Step 5: Solve for x
   x = 3,963,337.67/2,223.27
6. Step 6: Final answer
   x = 1,782.66