Finding the Fourth Proportional to 31,038.37, 42,833.06 and 16,891.27

Step by Step Solution

1. Step 1: Write the proportion equation
   31,038.37 : 42,833.06 = 16,891.27 : x
2. Step 2: Convert to fraction form
   31,038.37/42,833.06 = 16,891.27/x
3. Step 3: Cross multiply
   31,038.37x = 42,833.06 × 16,891.27
4. Step 4: Simplify right side
   31,038.37x = 723,504,781.39
5. Step 5: Solve for x
   x = 723,504,781.39/31,038.37
6. Step 6: Final answer
   x = 23,310.01