Finding the Fourth Proportional to 9,500.63, 13,111.67 and 5,309.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,500.63 : 13,111.67 = 5,309.69 : x
2. Step 2: Convert to fraction form
   9,500.63/13,111.67 = 5,309.69/x
3. Step 3: Cross multiply
   9,500.63x = 13,111.67 × 5,309.69
4. Step 4: Simplify right side
   9,500.63x = 69,618,850.80
5. Step 5: Solve for x
   x = 69,618,850.80/9,500.63
6. Step 6: Final answer
   x = 7,327.82