Finding the Fourth Proportional to 57,341.72, 79,128.83 and 31,849.70

Step by Step Solution

1. Step 1: Write the proportion equation
   57,341.72 : 79,128.83 = 31,849.70 : x
2. Step 2: Convert to fraction form
   57,341.72/79,128.83 = 31,849.70/x
3. Step 3: Cross multiply
   57,341.72x = 79,128.83 × 31,849.70
4. Step 4: Simplify right side
   57,341.72x = 2,520,229,496.85
5. Step 5: Solve for x
   x = 2,520,229,496.85/57,341.72
6. Step 6: Final answer
   x = 43,951.07