Finding the Fourth Proportional to 111,243.69, 153,473.92 and 82,241.70

Step by Step Solution

1. Step 1: Write the proportion equation
   111,243.69 : 153,473.92 = 82,241.70 : x
2. Step 2: Convert to fraction form
   111,243.69/153,473.92 = 82,241.70/x
3. Step 3: Cross multiply
   111,243.69x = 153,473.92 × 82,241.70
4. Step 4: Simplify right side
   111,243.69x = 12,621,956,086.46
5. Step 5: Solve for x
   x = 12,621,956,086.46/111,243.69
6. Step 6: Final answer
   x = 113,462.22