Finding the Fourth Proportional to 31,050.54, 42,849.73 and 16,903.38

Step by Step Solution

1. Step 1: Write the proportion equation
   31,050.54 : 42,849.73 = 16,903.38 : x
2. Step 2: Convert to fraction form
   31,050.54/42,849.73 = 16,903.38/x
3. Step 3: Cross multiply
   31,050.54x = 42,849.73 × 16,903.38
4. Step 4: Simplify right side
   31,050.54x = 724,305,269.09
5. Step 5: Solve for x
   x = 724,305,269.09/31,050.54
6. Step 6: Final answer
   x = 23,326.66