Finding the Fourth Proportional to 111,792, 154,273.56 and 60,805.10

Step by Step Solution

1. Step 1: Write the proportion equation
   111,792 : 154,273.56 = 60,805.10 : x
2. Step 2: Convert to fraction form
   111,792/154,273.56 = 60,805.10/x
3. Step 3: Cross multiply
   111,792x = 154,273.56 × 60,805.10
4. Step 4: Simplify right side
   111,792x = 9,380,619,243.16
5. Step 5: Solve for x
   x = 9,380,619,243.16/111,792
6. Step 6: Final answer
   x = 83,911.36