Finding the Fourth Proportional to 60,149.30, 82,976.81 and 39,739.37

Step by Step Solution

1. Step 1: Write the proportion equation
   60,149.30 : 82,976.81 = 39,739.37 : x
2. Step 2: Convert to fraction form
   60,149.30/82,976.81 = 39,739.37/x
3. Step 3: Cross multiply
   60,149.30x = 82,976.81 × 39,739.37
4. Step 4: Simplify right side
   60,149.30x = 3,297,445,540.43
5. Step 5: Solve for x
   x = 3,297,445,540.43/60,149.30
6. Step 6: Final answer
   x = 54,821.02