Finding the Fourth Proportional to 111,964.50, 167,949.99 and 28,858.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,964.50 : 167,949.99 = 28,858.50 : x
2. Step 2: Convert to fraction form
   111,964.50/167,949.99 = 28,858.50/x
3. Step 3: Cross multiply
   111,964.50x = 167,949.99 × 28,858.50
4. Step 4: Simplify right side
   111,964.50x = 4,846,784,786.42
5. Step 5: Solve for x
   x = 4,846,784,786.42/111,964.50
6. Step 6: Final answer
   x = 43,288.59