Finding the Fourth Proportional to 5,940.68, 8,198.33 and 3,422.59

Step by Step Solution

1. Step 1: Write the proportion equation
   5,940.68 : 8,198.33 = 3,422.59 : x
2. Step 2: Convert to fraction form
   5,940.68/8,198.33 = 3,422.59/x
3. Step 3: Cross multiply
   5,940.68x = 8,198.33 × 3,422.59
4. Step 4: Simplify right side
   5,940.68x = 28,059,484.67
5. Step 5: Solve for x
   x = 28,059,484.67/5,940.68
6. Step 6: Final answer
   x = 4,723.28