Finding the Fourth Proportional to 111,826.45, 154,321.73 and 60,839.47

Step by Step Solution

1. Step 1: Write the proportion equation
   111,826.45 : 154,321.73 = 60,839.47 : x
2. Step 2: Convert to fraction form
   111,826.45/154,321.73 = 60,839.47/x
3. Step 3: Cross multiply
   111,826.45x = 154,321.73 × 60,839.47
4. Step 4: Simplify right side
   111,826.45x = 9,388,852,262.68
5. Step 5: Solve for x
   x = 9,388,852,262.68/111,826.45
6. Step 6: Final answer
   x = 83,959.14