Finding the Fourth Proportional to 9,511.57, 13,122.76 and 5,529.41

Step by Step Solution

1. Step 1: Write the proportion equation
   9,511.57 : 13,122.76 = 5,529.41 : x
2. Step 2: Convert to fraction form
   9,511.57/13,122.76 = 5,529.41/x
3. Step 3: Cross multiply
   9,511.57x = 13,122.76 × 5,529.41
4. Step 4: Simplify right side
   9,511.57x = 72,561,120.37
5. Step 5: Solve for x
   x = 72,561,120.37/9,511.57
6. Step 6: Final answer
   x = 7,628.72