Finding the Fourth Proportional to 40,585.86, 60,585.98 and 38,766.40

Step by Step Solution

1. Step 1: Write the proportion equation
   40,585.86 : 60,585.98 = 38,766.40 : x
2. Step 2: Convert to fraction form
   40,585.86/60,585.98 = 38,766.40/x
3. Step 3: Cross multiply
   40,585.86x = 60,585.98 × 38,766.40
4. Step 4: Simplify right side
   40,585.86x = 2,348,699,989.78
5. Step 5: Solve for x
   x = 2,348,699,989.78/40,585.86
6. Step 6: Final answer
   x = 57,869.91