Finding the Fourth Proportional to 9,323.10, 13,960.79 and 5,158.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,323.10 : 13,960.79 = 5,158.49 : x
2. Step 2: Convert to fraction form
   9,323.10/13,960.79 = 5,158.49/x
3. Step 3: Cross multiply
   9,323.10x = 13,960.79 × 5,158.49
4. Step 4: Simplify right side
   9,323.10x = 72,016,500.01
5. Step 5: Solve for x
   x = 72,016,500.01/9,323.10
6. Step 6: Final answer
   x = 7,724.52