Finding the Fourth Proportional to 9,501.47, 13,111.94 and 5,309.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,501.47 : 13,111.94 = 5,309.72 : x
2. Step 2: Convert to fraction form
   9,501.47/13,111.94 = 5,309.72/x
3. Step 3: Cross multiply
   9,501.47x = 13,111.94 × 5,309.72
4. Step 4: Simplify right side
   9,501.47x = 69,620,703.51
5. Step 5: Solve for x
   x = 69,620,703.51/9,501.47
6. Step 6: Final answer
   x = 7,327.36