Finding the Fourth Proportional to 111,324.88, 153,775.56 and 82,981.36

Step by Step Solution

1. Step 1: Write the proportion equation
   111,324.88 : 153,775.56 = 82,981.36 : x
2. Step 2: Convert to fraction form
   111,324.88/153,775.56 = 82,981.36/x
3. Step 3: Cross multiply
   111,324.88x = 153,775.56 × 82,981.36
4. Step 4: Simplify right side
   111,324.88x = 12,760,505,103.56
5. Step 5: Solve for x
   x = 12,760,505,103.56/111,324.88
6. Step 6: Final answer
   x = 114,624.02