Finding the Fourth Proportional to 31,976.67, 44,149.61 and 20,673.53

Step by Step Solution

1. Step 1: Write the proportion equation
   31,976.67 : 44,149.61 = 20,673.53 : x
2. Step 2: Convert to fraction form
   31,976.67/44,149.61 = 20,673.53/x
3. Step 3: Cross multiply
   31,976.67x = 44,149.61 × 20,673.53
4. Step 4: Simplify right side
   31,976.67x = 912,728,167.03
5. Step 5: Solve for x
   x = 912,728,167.03/31,976.67
6. Step 6: Final answer
   x = 28,543.56