Finding the Fourth Proportional to 80,696.50, 111,361.17 and 45,368.50

Step by Step Solution

1. Step 1: Write the proportion equation
   80,696.50 : 111,361.17 = 45,368.50 : x
2. Step 2: Convert to fraction form
   80,696.50/111,361.17 = 45,368.50/x
3. Step 3: Cross multiply
   80,696.50x = 111,361.17 × 45,368.50
4. Step 4: Simplify right side
   80,696.50x = 5,052,289,241.15
5. Step 5: Solve for x
   x = 5,052,289,241.15/80,696.50
6. Step 6: Final answer
   x = 62,608.53