Finding the Fourth Proportional to 2,336.38, 3,224.22 and 1,288.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,336.38 : 3,224.22 = 1,288.46 : x
2. Step 2: Convert to fraction form
   2,336.38/3,224.22 = 1,288.46/x
3. Step 3: Cross multiply
   2,336.38x = 3,224.22 × 1,288.46
4. Step 4: Simplify right side
   2,336.38x = 4,154,278.50
5. Step 5: Solve for x
   x = 4,154,278.50/2,336.38
6. Step 6: Final answer
   x = 1,778.08