Finding the Fourth Proportional to 111,160.37, 166,710.69 and 31,193.73

Step by Step Solution

1. Step 1: Write the proportion equation
   111,160.37 : 166,710.69 = 31,193.73 : x
2. Step 2: Convert to fraction form
   111,160.37/166,710.69 = 31,193.73/x
3. Step 3: Cross multiply
   111,160.37x = 166,710.69 × 31,193.73
4. Step 4: Simplify right side
   111,160.37x = 5,200,328,251.97
5. Step 5: Solve for x
   x = 5,200,328,251.97/111,160.37
6. Step 6: Final answer
   x = 46,782.21