Finding the Fourth Proportional to 31,133.98, 42,968.56 and 17,707.24

Step by Step Solution

1. Step 1: Write the proportion equation
   31,133.98 : 42,968.56 = 17,707.24 : x
2. Step 2: Convert to fraction form
   31,133.98/42,968.56 = 17,707.24/x
3. Step 3: Cross multiply
   31,133.98x = 42,968.56 × 17,707.24
4. Step 4: Simplify right side
   31,133.98x = 760,854,604.37
5. Step 5: Solve for x
   x = 760,854,604.37/31,133.98
6. Step 6: Final answer
   x = 24,438.08