Finding the Fourth Proportional to 80,887.50, 111,693.54 and 50,723.34

Step by Step Solution

1. Step 1: Write the proportion equation
   80,887.50 : 111,693.54 = 50,723.34 : x
2. Step 2: Convert to fraction form
   80,887.50/111,693.54 = 50,723.34/x
3. Step 3: Cross multiply
   80,887.50x = 111,693.54 × 50,723.34
4. Step 4: Simplify right side
   80,887.50x = 5,665,469,405.22
5. Step 5: Solve for x
   x = 5,665,469,405.22/80,887.50
6. Step 6: Final answer
   x = 70,041.35