Finding the Fourth Proportional to 60,581.50, 83,672.46 and 40,403.31

Step by Step Solution

1. Step 1: Write the proportion equation
   60,581.50 : 83,672.46 = 40,403.31 : x
2. Step 2: Convert to fraction form
   60,581.50/83,672.46 = 40,403.31/x
3. Step 3: Cross multiply
   60,581.50x = 83,672.46 × 40,403.31
4. Step 4: Simplify right side
   60,581.50x = 3,380,644,137.83
5. Step 5: Solve for x
   x = 3,380,644,137.83/60,581.50
6. Step 6: Final answer
   x = 55,803.25