Finding the Fourth Proportional to 9,501.24, 13,115.31 and 7,150.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,501.24 : 13,115.31 = 7,150.20 : x
2. Step 2: Convert to fraction form
   9,501.24/13,115.31 = 7,150.20/x
3. Step 3: Cross multiply
   9,501.24x = 13,115.31 × 7,150.20
4. Step 4: Simplify right side
   9,501.24x = 93,777,089.56
5. Step 5: Solve for x
   x = 93,777,089.56/9,501.24
6. Step 6: Final answer
   x = 9,869.98