Finding the Fourth Proportional to 23,145.75, 31,942.50 and 13,073.93

Step by Step Solution

1. Step 1: Write the proportion equation
   23,145.75 : 31,942.50 = 13,073.93 : x
2. Step 2: Convert to fraction form
   23,145.75/31,942.50 = 13,073.93/x
3. Step 3: Cross multiply
   23,145.75x = 31,942.50 × 13,073.93
4. Step 4: Simplify right side
   23,145.75x = 417,614,083.45
5. Step 5: Solve for x
   x = 417,614,083.45/23,145.75
6. Step 6: Final answer
   x = 18,042.80