Finding the Fourth Proportional to 9,328.38, 12,873.15 and 5,350.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,328.38 : 12,873.15 = 5,350.56 : x
2. Step 2: Convert to fraction form
   9,328.38/12,873.15 = 5,350.56/x
3. Step 3: Cross multiply
   9,328.38x = 12,873.15 × 5,350.56
4. Step 4: Simplify right side
   9,328.38x = 68,878,561.46
5. Step 5: Solve for x
   x = 68,878,561.46/9,328.38
6. Step 6: Final answer
   x = 7,383.76