Finding the Fourth Proportional to 5,940.69, 8,199.02 and 3,422.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,940.69 : 8,199.02 = 3,422.31 : x
2. Step 2: Convert to fraction form
   5,940.69/8,199.02 = 3,422.31/x
3. Step 3: Cross multiply
   5,940.69x = 8,199.02 × 3,422.31
4. Step 4: Simplify right side
   5,940.69x = 28,059,588.14
5. Step 5: Solve for x
   x = 28,059,588.14/5,940.69
6. Step 6: Final answer
   x = 4,723.29