Finding the Fourth Proportional to 80,617.39, 111,283.00 and 53,750.09

Step by Step Solution

1. Step 1: Write the proportion equation
   80,617.39 : 111,283.00 = 53,750.09 : x
2. Step 2: Convert to fraction form
   80,617.39/111,283.00 = 53,750.09/x
3. Step 3: Cross multiply
   80,617.39x = 111,283.00 × 53,750.09
4. Step 4: Simplify right side
   80,617.39x = 5,981,470,996.72
5. Step 5: Solve for x
   x = 5,981,470,996.72/80,617.39
6. Step 6: Final answer
   x = 74,195.80