Finding the Fourth Proportional to 60,310.48, 89,976.05 and 57,044.56

Step by Step Solution

1. Step 1: Write the proportion equation
   60,310.48 : 89,976.05 = 57,044.56 : x
2. Step 2: Convert to fraction form
   60,310.48/89,976.05 = 57,044.56/x
3. Step 3: Cross multiply
   60,310.48x = 89,976.05 × 57,044.56
4. Step 4: Simplify right side
   60,310.48x = 5,132,644,182.79
5. Step 5: Solve for x
   x = 5,132,644,182.79/60,310.48
6. Step 6: Final answer
   x = 85,103.69