Finding the Fourth Proportional to 111,973.50, 167,963.49 and 28,867.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,973.50 : 167,963.49 = 28,867.50 : x
2. Step 2: Convert to fraction form
   111,973.50/167,963.49 = 28,867.50/x
3. Step 3: Cross multiply
   111,973.50x = 167,963.49 × 28,867.50
4. Step 4: Simplify right side
   111,973.50x = 4,848,686,047.58
5. Step 5: Solve for x
   x = 4,848,686,047.58/111,973.50
6. Step 6: Final answer
   x = 43,302.09