Finding the Fourth Proportional to 111,608.48, 154,021.03 and 60,621.82

Step by Step Solution

1. Step 1: Write the proportion equation
   111,608.48 : 154,021.03 = 60,621.82 : x
2. Step 2: Convert to fraction form
   111,608.48/154,021.03 = 60,621.82/x
3. Step 3: Cross multiply
   111,608.48x = 154,021.03 × 60,621.82
4. Step 4: Simplify right side
   111,608.48x = 9,337,034,620.27
5. Step 5: Solve for x
   x = 9,337,034,620.27/111,608.48
6. Step 6: Final answer
   x = 83,658.83