Finding the Fourth Proportional to 31,104.29, 42,924.59 and 16,957.23

Step by Step Solution

1. Step 1: Write the proportion equation
   31,104.29 : 42,924.59 = 16,957.23 : x
2. Step 2: Convert to fraction form
   31,104.29/42,924.59 = 16,957.23/x
3. Step 3: Cross multiply
   31,104.29x = 42,924.59 × 16,957.23
4. Step 4: Simplify right side
   31,104.29x = 727,882,060.50
5. Step 5: Solve for x
   x = 727,882,060.50/31,104.29
6. Step 6: Final answer
   x = 23,401.34