Finding the Fourth Proportional to 111,216.50, 153,478.83 and 60,229.62

Step by Step Solution

1. Step 1: Write the proportion equation
   111,216.50 : 153,478.83 = 60,229.62 : x
2. Step 2: Convert to fraction form
   111,216.50/153,478.83 = 60,229.62/x
3. Step 3: Cross multiply
   111,216.50x = 153,478.83 × 60,229.62
4. Step 4: Simplify right side
   111,216.50x = 9,243,971,608.94
5. Step 5: Solve for x
   x = 9,243,971,608.94/111,216.50
6. Step 6: Final answer
   x = 83,116.91