Finding the Fourth Proportional to 2,336.94, 3,224.98 and 1,289

Step by Step Solution

1. Step 1: Write the proportion equation
   2,336.94 : 3,224.98 = 1,289 : x
2. Step 2: Convert to fraction form
   2,336.94/3,224.98 = 1,289/x
3. Step 3: Cross multiply
   2,336.94x = 3,224.98 × 1,289
4. Step 4: Simplify right side
   2,336.94x = 4,156,999.22
5. Step 5: Solve for x
   x = 4,156,999.22/2,336.94
6. Step 6: Final answer
   x = 1,778.82