Finding the Fourth Proportional to 9,622.26, 13,275.90 and 5,643.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,622.26 : 13,275.90 = 5,643.54 : x
2. Step 2: Convert to fraction form
   9,622.26/13,275.90 = 5,643.54/x
3. Step 3: Cross multiply
   9,622.26x = 13,275.90 × 5,643.54
4. Step 4: Simplify right side
   9,622.26x = 74,923,072.69
5. Step 5: Solve for x
   x = 74,923,072.69/9,622.26
6. Step 6: Final answer
   x = 7,786.43