Finding the Fourth Proportional to 9,501.23, 13,111.72 and 5,309.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,501.23 : 13,111.72 = 5,309.48 : x
2. Step 2: Convert to fraction form
   9,501.23/13,111.72 = 5,309.48/x
3. Step 3: Cross multiply
   9,501.23x = 13,111.72 × 5,309.48
4. Step 4: Simplify right side
   9,501.23x = 69,616,388.56
5. Step 5: Solve for x
   x = 69,616,388.56/9,501.23
6. Step 6: Final answer
   x = 7,327.09