Finding the Fourth Proportional to 2,906.52, 4,359.42 and 826.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,906.52 : 4,359.42 = 826.68 : x
2. Step 2: Convert to fraction form
   2,906.52/4,359.42 = 826.68/x
3. Step 3: Cross multiply
   2,906.52x = 4,359.42 × 826.68
4. Step 4: Simplify right side
   2,906.52x = 3,603,845.33
5. Step 5: Solve for x
   x = 3,603,845.33/2,906.52
6. Step 6: Final answer
   x = 1,239.92