Finding the Fourth Proportional to 31,072.92, 42,879.48 and 16,925.52

Step by Step Solution

1. Step 1: Write the proportion equation
   31,072.92 : 42,879.48 = 16,925.52 : x
2. Step 2: Convert to fraction form
   31,072.92/42,879.48 = 16,925.52/x
3. Step 3: Cross multiply
   31,072.92x = 42,879.48 × 16,925.52
4. Step 4: Simplify right side
   31,072.92x = 725,757,496.33
5. Step 5: Solve for x
   x = 725,757,496.33/31,072.92
6. Step 6: Final answer
   x = 23,356.59