Finding the Fourth Proportional to 31,123.24, 42,950.09 and 17,694.16

Step by Step Solution

1. Step 1: Write the proportion equation
   31,123.24 : 42,950.09 = 17,694.16 : x
2. Step 2: Convert to fraction form
   31,123.24/42,950.09 = 17,694.16/x
3. Step 3: Cross multiply
   31,123.24x = 42,950.09 × 17,694.16
4. Step 4: Simplify right side
   31,123.24x = 759,965,764.47
5. Step 5: Solve for x
   x = 759,965,764.47/31,123.24
6. Step 6: Final answer
   x = 24,417.95