Finding the Fourth Proportional to 31,185.39, 43,035.77 and 17,038.34

Step by Step Solution

1. Step 1: Write the proportion equation
   31,185.39 : 43,035.77 = 17,038.34 : x
2. Step 2: Convert to fraction form
   31,185.39/43,035.77 = 17,038.34/x
3. Step 3: Cross multiply
   31,185.39x = 43,035.77 × 17,038.34
4. Step 4: Simplify right side
   31,185.39x = 733,258,081.42
5. Step 5: Solve for x
   x = 733,258,081.42/31,185.39
6. Step 6: Final answer
   x = 23,512.87