Finding the Fourth Proportional to 113,841.42, 157,086.67 and 63,542.54

Step by Step Solution

1. Step 1: Write the proportion equation
   113,841.42 : 157,086.67 = 63,542.54 : x
2. Step 2: Convert to fraction form
   113,841.42/157,086.67 = 63,542.54/x
3. Step 3: Cross multiply
   113,841.42x = 157,086.67 × 63,542.54
4. Step 4: Simplify right side
   113,841.42x = 9,981,686,011.94
5. Step 5: Solve for x
   x = 9,981,686,011.94/113,841.42
6. Step 6: Final answer
   x = 87,680.62