Finding the Fourth Proportional to 80,052.72, 120,099.83 and 42,581.94

Step by Step Solution

1. Step 1: Write the proportion equation
   80,052.72 : 120,099.83 = 42,581.94 : x
2. Step 2: Convert to fraction form
   80,052.72/120,099.83 = 42,581.94/x
3. Step 3: Cross multiply
   80,052.72x = 120,099.83 × 42,581.94
4. Step 4: Simplify right side
   80,052.72x = 5,114,083,755.07
5. Step 5: Solve for x
   x = 5,114,083,755.07/80,052.72
6. Step 6: Final answer
   x = 63,883.95