Finding the Fourth Proportional to 31,185.69, 43,035.75 and 17,038.23

Step by Step Solution

1. Step 1: Write the proportion equation
   31,185.69 : 43,035.75 = 17,038.23 : x
2. Step 2: Convert to fraction form
   31,185.69/43,035.75 = 17,038.23/x
3. Step 3: Cross multiply
   31,185.69x = 43,035.75 × 17,038.23
4. Step 4: Simplify right side
   31,185.69x = 733,253,006.72
5. Step 5: Solve for x
   x = 733,253,006.72/31,185.69
6. Step 6: Final answer
   x = 23,512.48