Finding the Fourth Proportional to 31,104.16, 42,924.18 and 16,957.24

Step by Step Solution

1. Step 1: Write the proportion equation
   31,104.16 : 42,924.18 = 16,957.24 : x
2. Step 2: Convert to fraction form
   31,104.16/42,924.18 = 16,957.24/x
3. Step 3: Cross multiply
   31,104.16x = 42,924.18 × 16,957.24
4. Step 4: Simplify right side
   31,104.16x = 727,875,622.06
5. Step 5: Solve for x
   x = 727,875,622.06/31,104.16
6. Step 6: Final answer
   x = 23,401.23