Finding the Fourth Proportional to 111,807.72, 154,293 and 60,819.24

Step by Step Solution

1. Step 1: Write the proportion equation
   111,807.72 : 154,293 = 60,819.24 : x
2. Step 2: Convert to fraction form
   111,807.72/154,293 = 60,819.24/x
3. Step 3: Cross multiply
   111,807.72x = 154,293 × 60,819.24
4. Step 4: Simplify right side
   111,807.72x = 9,383,982,997.32
5. Step 5: Solve for x
   x = 9,383,982,997.32/111,807.72
6. Step 6: Final answer
   x = 83,929.65