Finding the Fourth Proportional to 31,097.16, 42,914.32 and 16,949.96

Step by Step Solution

1. Step 1: Write the proportion equation
   31,097.16 : 42,914.32 = 16,949.96 : x
2. Step 2: Convert to fraction form
   31,097.16/42,914.32 = 16,949.96/x
3. Step 3: Cross multiply
   31,097.16x = 42,914.32 × 16,949.96
4. Step 4: Simplify right side
   31,097.16x = 727,396,007.43
5. Step 5: Solve for x
   x = 727,396,007.43/31,097.16
6. Step 6: Final answer
   x = 23,391.08