Finding the Fourth Proportional to 2,336.09, 3,223.82 and 1,288.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,336.09 : 3,223.82 = 1,288.15 : x
2. Step 2: Convert to fraction form
   2,336.09/3,223.82 = 1,288.15/x
3. Step 3: Cross multiply
   2,336.09x = 3,223.82 × 1,288.15
4. Step 4: Simplify right side
   2,336.09x = 4,152,769.78
5. Step 5: Solve for x
   x = 4,152,769.78/2,336.09
6. Step 6: Final answer
   x = 1,777.66