Finding the Fourth Proportional to 80,553.28, 120,846.72 and 40,594.72

Step by Step Solution

1. Step 1: Write the proportion equation
   80,553.28 : 120,846.72 = 40,594.72 : x
2. Step 2: Convert to fraction form
   80,553.28/120,846.72 = 40,594.72/x
3. Step 3: Cross multiply
   80,553.28x = 120,846.72 × 40,594.72
4. Step 4: Simplify right side
   80,553.28x = 4,905,738,761.32
5. Step 5: Solve for x
   x = 4,905,738,761.32/80,553.28
6. Step 6: Final answer
   x = 60,900.55