Finding the Fourth Proportional to 13,300.38, 18,351.99 and 8,329.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,300.38 : 18,351.99 = 8,329.50 : x
2. Step 2: Convert to fraction form
   13,300.38/18,351.99 = 8,329.50/x
3. Step 3: Cross multiply
   13,300.38x = 18,351.99 × 8,329.50
4. Step 4: Simplify right side
   13,300.38x = 152,862,900.71
5. Step 5: Solve for x
   x = 152,862,900.71/13,300.38
6. Step 6: Final answer
   x = 11,493.12