Finding the Fourth Proportional to 111,984.50, 167,980.02 and 28,878.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,984.50 : 167,980.02 = 28,878.50 : x
2. Step 2: Convert to fraction form
   111,984.50/167,980.02 = 28,878.50/x
3. Step 3: Cross multiply
   111,984.50x = 167,980.02 × 28,878.50
4. Step 4: Simplify right side
   111,984.50x = 4,851,011,007.57
5. Step 5: Solve for x
   x = 4,851,011,007.57/111,984.50
6. Step 6: Final answer
   x = 43,318.59