Finding the Fourth Proportional to 57,946.50, 79,966.17 and 31,450.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,946.50 : 79,966.17 = 31,450.50 : x
2. Step 2: Convert to fraction form
   57,946.50/79,966.17 = 31,450.50/x
3. Step 3: Cross multiply
   57,946.50x = 79,966.17 × 31,450.50
4. Step 4: Simplify right side
   57,946.50x = 2,514,976,029.59
5. Step 5: Solve for x
   x = 2,514,976,029.59/57,946.50
6. Step 6: Final answer
   x = 43,401.69