Finding the Fourth Proportional to 31,518.88, 43,496.18 and 17,371.42

Step by Step Solution

1. Step 1: Write the proportion equation
   31,518.88 : 43,496.18 = 17,371.42 : x
2. Step 2: Convert to fraction form
   31,518.88/43,496.18 = 17,371.42/x
3. Step 3: Cross multiply
   31,518.88x = 43,496.18 × 17,371.42
4. Step 4: Simplify right side
   31,518.88x = 755,590,411.18
5. Step 5: Solve for x
   x = 755,590,411.18/31,518.88
6. Step 6: Final answer
   x = 23,972.63