Finding the Fourth Proportional to 22,286.88, 33,431.47 and 5,647.05

Step by Step Solution

1. Step 1: Write the proportion equation
   22,286.88 : 33,431.47 = 5,647.05 : x
2. Step 2: Convert to fraction form
   22,286.88/33,431.47 = 5,647.05/x
3. Step 3: Cross multiply
   22,286.88x = 33,431.47 × 5,647.05
4. Step 4: Simplify right side
   22,286.88x = 188,789,168.55
5. Step 5: Solve for x
   x = 188,789,168.55/22,286.88
6. Step 6: Final answer
   x = 8,470.87