Finding the Fourth Proportional to 53,766.40, 80,589.83 and 40,576.00

Step by Step Solution

1. Step 1: Write the proportion equation
   53,766.40 : 80,589.83 = 40,576.00 : x
2. Step 2: Convert to fraction form
   53,766.40/80,589.83 = 40,576.00/x
3. Step 3: Cross multiply
   53,766.40x = 80,589.83 × 40,576.00
4. Step 4: Simplify right side
   53,766.40x = 3,270,012,640.57
5. Step 5: Solve for x
   x = 3,270,012,640.57/53,766.40
6. Step 6: Final answer
   x = 60,818.89