Finding the Fourth Proportional to 31,053.43, 42,852.38 and 16,906.27

Step by Step Solution

1. Step 1: Write the proportion equation
   31,053.43 : 42,852.38 = 16,906.27 : x
2. Step 2: Convert to fraction form
   31,053.43/42,852.38 = 16,906.27/x
3. Step 3: Cross multiply
   31,053.43x = 42,852.38 × 16,906.27
4. Step 4: Simplify right side
   31,053.43x = 724,473,821.89
5. Step 5: Solve for x
   x = 724,473,821.89/31,053.43
6. Step 6: Final answer
   x = 23,329.91