Finding the Fourth Proportional to 20,934.24, 31,401.52 and 7,092.96

Step by Step Solution

1. Step 1: Write the proportion equation
   20,934.24 : 31,401.52 = 7,092.96 : x
2. Step 2: Convert to fraction form
   20,934.24/31,401.52 = 7,092.96/x
3. Step 3: Cross multiply
   20,934.24x = 31,401.52 × 7,092.96
4. Step 4: Simplify right side
   20,934.24x = 222,729,725.30
5. Step 5: Solve for x
   x = 222,729,725.30/20,934.24
6. Step 6: Final answer
   x = 10,639.49