Finding the Fourth Proportional to 110,781.15, 166,200.89 and 31,901.73

Step by Step Solution

1. Step 1: Write the proportion equation
   110,781.15 : 166,200.89 = 31,901.73 : x
2. Step 2: Convert to fraction form
   110,781.15/166,200.89 = 31,901.73/x
3. Step 3: Cross multiply
   110,781.15x = 166,200.89 × 31,901.73
4. Step 4: Simplify right side
   110,781.15x = 5,302,095,759.03
5. Step 5: Solve for x
   x = 5,302,095,759.03/110,781.15
6. Step 6: Final answer
   x = 47,860.99