Finding the Fourth Proportional to 23,152.62, 31,945.33 and 13,080.54

Step by Step Solution

1. Step 1: Write the proportion equation
   23,152.62 : 31,945.33 = 13,080.54 : x
2. Step 2: Convert to fraction form
   23,152.62/31,945.33 = 13,080.54/x
3. Step 3: Cross multiply
   23,152.62x = 31,945.33 × 13,080.54
4. Step 4: Simplify right side
   23,152.62x = 417,862,166.88
5. Step 5: Solve for x
   x = 417,862,166.88/23,152.62
6. Step 6: Final answer
   x = 18,048.16