Finding the Fourth Proportional to 111,501.20, 153,872.78 and 60,514.38

Step by Step Solution

1. Step 1: Write the proportion equation
   111,501.20 : 153,872.78 = 60,514.38 : x
2. Step 2: Convert to fraction form
   111,501.20/153,872.78 = 60,514.38/x
3. Step 3: Cross multiply
   111,501.20x = 153,872.78 × 60,514.38
4. Step 4: Simplify right side
   111,501.20x = 9,311,515,578.00
5. Step 5: Solve for x
   x = 9,311,515,578.00/111,501.20
6. Step 6: Final answer
   x = 83,510.45