Finding the Fourth Proportional to 9,501.16, 13,111.86 and 5,309.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,501.16 : 13,111.86 = 5,309.68 : x
2. Step 2: Convert to fraction form
   9,501.16/13,111.86 = 5,309.68/x
3. Step 3: Cross multiply
   9,501.16x = 13,111.86 × 5,309.68
4. Step 4: Simplify right side
   9,501.16x = 69,619,780.80
5. Step 5: Solve for x
   x = 69,619,780.80/9,501.16
6. Step 6: Final answer
   x = 7,327.50