Finding the Fourth Proportional to 111,144.75, 153,379.76 and 60,843.75

Step by Step Solution

1. Step 1: Write the proportion equation
   111,144.75 : 153,379.76 = 60,843.75 : x
2. Step 2: Convert to fraction form
   111,144.75/153,379.76 = 60,843.75/x
3. Step 3: Cross multiply
   111,144.75x = 153,379.76 × 60,843.75
4. Step 4: Simplify right side
   111,144.75x = 9,332,199,468.28
5. Step 5: Solve for x
   x = 9,332,199,468.28/111,144.75
6. Step 6: Final answer
   x = 83,964.38