Finding the Fourth Proportional to 111,354.50, 167,041.47 and 28,248.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,354.50 : 167,041.47 = 28,248.50 : x
2. Step 2: Convert to fraction form
   111,354.50/167,041.47 = 28,248.50/x
3. Step 3: Cross multiply
   111,354.50x = 167,041.47 × 28,248.50
4. Step 4: Simplify right side
   111,354.50x = 4,718,670,965.30
5. Step 5: Solve for x
   x = 4,718,670,965.30/111,354.50
6. Step 6: Final answer
   x = 42,375.22