Finding the Fourth Proportional to 111,185.60, 153,436.23 and 60,198.37

Step by Step Solution

1. Step 1: Write the proportion equation
   111,185.60 : 153,436.23 = 60,198.37 : x
2. Step 2: Convert to fraction form
   111,185.60/153,436.23 = 60,198.37/x
3. Step 3: Cross multiply
   111,185.60x = 153,436.23 × 60,198.37
4. Step 4: Simplify right side
   111,185.60x = 9,236,610,944.95
5. Step 5: Solve for x
   x = 9,236,610,944.95/111,185.60
6. Step 6: Final answer
   x = 83,073.81