Finding the Fourth Proportional to 80,676.02, 120,974.78 and 48,688.05

Step by Step Solution

1. Step 1: Write the proportion equation
   80,676.02 : 120,974.78 = 48,688.05 : x
2. Step 2: Convert to fraction form
   80,676.02/120,974.78 = 48,688.05/x
3. Step 3: Cross multiply
   80,676.02x = 120,974.78 × 48,688.05
4. Step 4: Simplify right side
   80,676.02x = 5,890,025,893.94
5. Step 5: Solve for x
   x = 5,890,025,893.94/80,676.02
6. Step 6: Final answer
   x = 73,008.39