Finding the Fourth Proportional to 9,501.72, 13,112.28 and 5,523

Step by Step Solution

1. Step 1: Write the proportion equation
   9,501.72 : 13,112.28 = 5,523 : x
2. Step 2: Convert to fraction form
   9,501.72/13,112.28 = 5,523/x
3. Step 3: Cross multiply
   9,501.72x = 13,112.28 × 5,523
4. Step 4: Simplify right side
   9,501.72x = 72,419,122.44
5. Step 5: Solve for x
   x = 72,419,122.44/9,501.72
6. Step 6: Final answer
   x = 7,621.69