Finding the Fourth Proportional to 57,723, 79,658.97 and 31,881.42

Step by Step Solution

1. Step 1: Write the proportion equation
   57,723 : 79,658.97 = 31,881.42 : x
2. Step 2: Convert to fraction form
   57,723/79,658.97 = 31,881.42/x
3. Step 3: Cross multiply
   57,723x = 79,658.97 × 31,881.42
4. Step 4: Simplify right side
   57,723x = 2,539,641,079.34
5. Step 5: Solve for x
   x = 2,539,641,079.34/57,723
6. Step 6: Final answer
   x = 43,997.04