Finding the Fourth Proportional to 111,986.50, 167,983.02 and 28,880.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,986.50 : 167,983.02 = 28,880.50 : x
2. Step 2: Convert to fraction form
   111,986.50/167,983.02 = 28,880.50/x
3. Step 3: Cross multiply
   111,986.50x = 167,983.02 × 28,880.50
4. Step 4: Simplify right side
   111,986.50x = 4,851,433,609.11
5. Step 5: Solve for x
   x = 4,851,433,609.11/111,986.50
6. Step 6: Final answer
   x = 43,321.59