Finding the Fourth Proportional to 111,213.50, 153,474.69 and 60,226.62

Step by Step Solution

1. Step 1: Write the proportion equation
   111,213.50 : 153,474.69 = 60,226.62 : x
2. Step 2: Convert to fraction form
   111,213.50/153,474.69 = 60,226.62/x
3. Step 3: Cross multiply
   111,213.50x = 153,474.69 × 60,226.62
4. Step 4: Simplify right side
   111,213.50x = 9,243,261,834.25
5. Step 5: Solve for x
   x = 9,243,261,834.25/111,213.50
6. Step 6: Final answer
   x = 83,112.77