Finding the Fourth Proportional to 9,510.44, 13,122.81 and 5,531.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,510.44 : 13,122.81 = 5,531.72 : x
2. Step 2: Convert to fraction form
   9,510.44/13,122.81 = 5,531.72/x
3. Step 3: Cross multiply
   9,510.44x = 13,122.81 × 5,531.72
4. Step 4: Simplify right side
   9,510.44x = 72,591,644.92
5. Step 5: Solve for x
   x = 72,591,644.92/9,510.44
6. Step 6: Final answer
   x = 7,632.84