Finding the Fourth Proportional to 80,563.50, 111,091.01 and 50,337.81

Step by Step Solution

1. Step 1: Write the proportion equation
   80,563.50 : 111,091.01 = 50,337.81 : x
2. Step 2: Convert to fraction form
   80,563.50/111,091.01 = 50,337.81/x
3. Step 3: Cross multiply
   80,563.50x = 111,091.01 × 50,337.81
4. Step 4: Simplify right side
   80,563.50x = 5,592,077,902.40
5. Step 5: Solve for x
   x = 5,592,077,902.40/80,563.50
6. Step 6: Final answer
   x = 69,412.05