Finding the Fourth Proportional to 9,509.22, 13,122.24 and 5,529.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,509.22 : 13,122.24 = 5,529.69 : x
2. Step 2: Convert to fraction form
   9,509.22/13,122.24 = 5,529.69/x
3. Step 3: Cross multiply
   9,509.22x = 13,122.24 × 5,529.69
4. Step 4: Simplify right side
   9,509.22x = 72,561,919.31
5. Step 5: Solve for x
   x = 72,561,919.31/9,509.22
6. Step 6: Final answer
   x = 7,630.69