Finding the Fourth Proportional to 111,273.18, 166,910.49 and 28,167.18

Step by Step Solution

1. Step 1: Write the proportion equation
   111,273.18 : 166,910.49 = 28,167.18 : x
2. Step 2: Convert to fraction form
   111,273.18/166,910.49 = 28,167.18/x
3. Step 3: Cross multiply
   111,273.18x = 166,910.49 × 28,167.18
4. Step 4: Simplify right side
   111,273.18x = 4,701,397,815.72
5. Step 5: Solve for x
   x = 4,701,397,815.72/111,273.18
6. Step 6: Final answer
   x = 42,250.95