Finding the Fourth Proportional to 31,380.20, 43,304.97 and 17,233.34

Step by Step Solution

1. Step 1: Write the proportion equation
   31,380.20 : 43,304.97 = 17,233.34 : x
2. Step 2: Convert to fraction form
   31,380.20/43,304.97 = 17,233.34/x
3. Step 3: Cross multiply
   31,380.20x = 43,304.97 × 17,233.34
4. Step 4: Simplify right side
   31,380.20x = 746,289,055.17
5. Step 5: Solve for x
   x = 746,289,055.17/31,380.20
6. Step 6: Final answer
   x = 23,782.17