Finding the Fourth Proportional to 23,144.88, 31,968.42 and 16,761.36

Step by Step Solution

1. Step 1: Write the proportion equation
   23,144.88 : 31,968.42 = 16,761.36 : x
2. Step 2: Convert to fraction form
   23,144.88/31,968.42 = 16,761.36/x
3. Step 3: Cross multiply
   23,144.88x = 31,968.42 × 16,761.36
4. Step 4: Simplify right side
   23,144.88x = 535,834,196.25
5. Step 5: Solve for x
   x = 535,834,196.25/23,144.88
6. Step 6: Final answer
   x = 23,151.31