Finding the Fourth Proportional to 111,456.50, 167,194.47 and 28,350.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,456.50 : 167,194.47 = 28,350.50 : x
2. Step 2: Convert to fraction form
   111,456.50/167,194.47 = 28,350.50/x
3. Step 3: Cross multiply
   111,456.50x = 167,194.47 × 28,350.50
4. Step 4: Simplify right side
   111,456.50x = 4,740,046,821.74
5. Step 5: Solve for x
   x = 4,740,046,821.74/111,456.50
6. Step 6: Final answer
   x = 42,528.22