Finding the Fourth Proportional to 9,329.09, 12,870.63 and 5,552.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,329.09 : 12,870.63 = 5,552.37 : x
2. Step 2: Convert to fraction form
   9,329.09/12,870.63 = 5,552.37/x
3. Step 3: Cross multiply
   9,329.09x = 12,870.63 × 5,552.37
4. Step 4: Simplify right side
   9,329.09x = 71,462,499.89
5. Step 5: Solve for x
   x = 71,462,499.89/9,329.09
6. Step 6: Final answer
   x = 7,660.18