Finding the Fourth Proportional to 111,186.05, 153,434.89 and 60,198.37

Step by Step Solution

1. Step 1: Write the proportion equation
   111,186.05 : 153,434.89 = 60,198.37 : x
2. Step 2: Convert to fraction form
   111,186.05/153,434.89 = 60,198.37/x
3. Step 3: Cross multiply
   111,186.05x = 153,434.89 × 60,198.37
4. Step 4: Simplify right side
   111,186.05x = 9,236,529,210.96
5. Step 5: Solve for x
   x = 9,236,529,210.96/111,186.05
6. Step 6: Final answer
   x = 83,072.73