Finding the Fourth Proportional to 9,940.25, 13,711.83 and 5,959.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,940.25 : 13,711.83 = 5,959.05 : x
2. Step 2: Convert to fraction form
   9,940.25/13,711.83 = 5,959.05/x
3. Step 3: Cross multiply
   9,940.25x = 13,711.83 × 5,959.05
4. Step 4: Simplify right side
   9,940.25x = 81,709,480.56
5. Step 5: Solve for x
   x = 81,709,480.56/9,940.25
6. Step 6: Final answer
   x = 8,220.07