Finding the Fourth Proportional to 2,334.88, 3,222.15 and 1,286.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,334.88 : 3,222.15 = 1,286.96 : x
2. Step 2: Convert to fraction form
   2,334.88/3,222.15 = 1,286.96/x
3. Step 3: Cross multiply
   2,334.88x = 3,222.15 × 1,286.96
4. Step 4: Simplify right side
   2,334.88x = 4,146,778.16
5. Step 5: Solve for x
   x = 4,146,778.16/2,334.88
6. Step 6: Final answer
   x = 1,776.01