Finding the Fourth Proportional to 31,083.39, 42,895.91 and 16,937.15

Step by Step Solution

1. Step 1: Write the proportion equation
   31,083.39 : 42,895.91 = 16,937.15 : x
2. Step 2: Convert to fraction form
   31,083.39/42,895.91 = 16,937.15/x
3. Step 3: Cross multiply
   31,083.39x = 42,895.91 × 16,937.15
4. Step 4: Simplify right side
   31,083.39x = 726,534,289.92
5. Step 5: Solve for x
   x = 726,534,289.92/31,083.39
6. Step 6: Final answer
   x = 23,373.71