Finding the Fourth Proportional to 31,191.92, 43,044.86 and 16,851.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31,191.92 : 43,044.86 = 16,851.75 : x
2. Step 2: Convert to fraction form
   31,191.92/43,044.86 = 16,851.75/x
3. Step 3: Cross multiply
   31,191.92x = 43,044.86 × 16,851.75
4. Step 4: Simplify right side
   31,191.92x = 725,381,100.22
5. Step 5: Solve for x
   x = 725,381,100.22/31,191.92
6. Step 6: Final answer
   x = 23,255.42