Finding the Fourth Proportional to 111,185.10, 153,435.69 and 60,198.39

Step by Step Solution

1. Step 1: Write the proportion equation
   111,185.10 : 153,435.69 = 60,198.39 : x
2. Step 2: Convert to fraction form
   111,185.10/153,435.69 = 60,198.39/x
3. Step 3: Cross multiply
   111,185.10x = 153,435.69 × 60,198.39
4. Step 4: Simplify right side
   111,185.10x = 9,236,581,506.54
5. Step 5: Solve for x
   x = 9,236,581,506.54/111,185.10
6. Step 6: Final answer
   x = 83,073.91