Finding the Fourth Proportional to 9,501.72, 13,113.30 and 5,522.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,501.72 : 13,113.30 = 5,522.52 : x
2. Step 2: Convert to fraction form
   9,501.72/13,113.30 = 5,522.52/x
3. Step 3: Cross multiply
   9,501.72x = 13,113.30 × 5,522.52
4. Step 4: Simplify right side
   9,501.72x = 72,418,461.52
5. Step 5: Solve for x
   x = 72,418,461.52/9,501.72
6. Step 6: Final answer
   x = 7,621.62