Finding the Fourth Proportional to 23,930.37, 33,025.86 and 13,320.18

Step by Step Solution

1. Step 1: Write the proportion equation
   23,930.37 : 33,025.86 = 13,320.18 : x
2. Step 2: Convert to fraction form
   23,930.37/33,025.86 = 13,320.18/x
3. Step 3: Cross multiply
   23,930.37x = 33,025.86 × 13,320.18
4. Step 4: Simplify right side
   23,930.37x = 439,910,399.85
5. Step 5: Solve for x
   x = 439,910,399.85/23,930.37
6. Step 6: Final answer
   x = 18,382.93