Finding the Fourth Proportional to 111,185.82, 153,436.20 and 60,198.30

Step by Step Solution

1. Step 1: Write the proportion equation
   111,185.82 : 153,436.20 = 60,198.30 : x
2. Step 2: Convert to fraction form
   111,185.82/153,436.20 = 60,198.30/x
3. Step 3: Cross multiply
   111,185.82x = 153,436.20 × 60,198.30
4. Step 4: Simplify right side
   111,185.82x = 9,236,598,398.46
5. Step 5: Solve for x
   x = 9,236,598,398.46/111,185.82
6. Step 6: Final answer
   x = 83,073.53