Finding the Fourth Proportional to 31,371.83, 43,293.37 and 17,942.28

Step by Step Solution

1. Step 1: Write the proportion equation
   31,371.83 : 43,293.37 = 17,942.28 : x
2. Step 2: Convert to fraction form
   31,371.83/43,293.37 = 17,942.28/x
3. Step 3: Cross multiply
   31,371.83x = 43,293.37 × 17,942.28
4. Step 4: Simplify right side
   31,371.83x = 776,782,034.10
5. Step 5: Solve for x
   x = 776,782,034.10/31,371.83
6. Step 6: Final answer
   x = 24,760.49