Finding the Fourth Proportional to 23,150.16, 31,947.22 and 13,078.62

Step by Step Solution

1. Step 1: Write the proportion equation
   23,150.16 : 31,947.22 = 13,078.62 : x
2. Step 2: Convert to fraction form
   23,150.16/31,947.22 = 13,078.62/x
3. Step 3: Cross multiply
   23,150.16x = 31,947.22 × 13,078.62
4. Step 4: Simplify right side
   23,150.16x = 417,825,550.44
5. Step 5: Solve for x
   x = 417,825,550.44/23,150.16
6. Step 6: Final answer
   x = 18,048.50