Finding the Fourth Proportional to 23,134.57, 31,922.26 and 13,062.78

Step by Step Solution

1. Step 1: Write the proportion equation
   23,134.57 : 31,922.26 = 13,062.78 : x
2. Step 2: Convert to fraction form
   23,134.57/31,922.26 = 13,062.78/x
3. Step 3: Cross multiply
   23,134.57x = 31,922.26 × 13,062.78
4. Step 4: Simplify right side
   23,134.57x = 416,993,426.83
5. Step 5: Solve for x
   x = 416,993,426.83/23,134.57
6. Step 6: Final answer
   x = 18,024.69