Finding the Fourth Proportional to 13,308.29, 18,366.24 and 7,339.94

Step by Step Solution

1. Step 1: Write the proportion equation
   13,308.29 : 18,366.24 = 7,339.94 : x
2. Step 2: Convert to fraction form
   13,308.29/18,366.24 = 7,339.94/x
3. Step 3: Cross multiply
   13,308.29x = 18,366.24 × 7,339.94
4. Step 4: Simplify right side
   13,308.29x = 134,807,007.79
5. Step 5: Solve for x
   x = 134,807,007.79/13,308.29
6. Step 6: Final answer
   x = 10,129.56