Finding the Fourth Proportional to 22,942.93, 31,661.31 and 12,871.38

Step by Step Solution

1. Step 1: Write the proportion equation
   22,942.93 : 31,661.31 = 12,871.38 : x
2. Step 2: Convert to fraction form
   22,942.93/31,661.31 = 12,871.38/x
3. Step 3: Cross multiply
   22,942.93x = 31,661.31 × 12,871.38
4. Step 4: Simplify right side
   22,942.93x = 407,524,594.00
5. Step 5: Solve for x
   x = 407,524,594.00/22,942.93
6. Step 6: Final answer
   x = 17,762.54