Finding the Fourth Proportional to 57,734, 79,672.92 and 31,238

Step by Step Solution

1. Step 1: Write the proportion equation
   57,734 : 79,672.92 = 31,238 : x
2. Step 2: Convert to fraction form
   57,734/79,672.92 = 31,238/x
3. Step 3: Cross multiply
   57,734x = 79,672.92 × 31,238
4. Step 4: Simplify right side
   57,734x = 2,488,822,674.96
5. Step 5: Solve for x
   x = 2,488,822,674.96/57,734
6. Step 6: Final answer
   x = 43,108.44