Finding the Fourth Proportional to 31,174.32, 43,020.61 and 17,745.57

Step by Step Solution

1. Step 1: Write the proportion equation
   31,174.32 : 43,020.61 = 17,745.57 : x
2. Step 2: Convert to fraction form
   31,174.32/43,020.61 = 17,745.57/x
3. Step 3: Cross multiply
   31,174.32x = 43,020.61 × 17,745.57
4. Step 4: Simplify right side
   31,174.32x = 763,425,157.47
5. Step 5: Solve for x
   x = 763,425,157.47/31,174.32
6. Step 6: Final answer
   x = 24,488.92