Finding the Fourth Proportional to 80,695.50, 111,359.79 and 45,367.50

Step by Step Solution

1. Step 1: Write the proportion equation
   80,695.50 : 111,359.79 = 45,367.50 : x
2. Step 2: Convert to fraction form
   80,695.50/111,359.79 = 45,367.50/x
3. Step 3: Cross multiply
   80,695.50x = 111,359.79 × 45,367.50
4. Step 4: Simplify right side
   80,695.50x = 5,052,115,272.83
5. Step 5: Solve for x
   x = 5,052,115,272.83/80,695.50
6. Step 6: Final answer
   x = 62,607.15