Finding the Fourth Proportional to 111,988.50, 167,986.02 and 28,882.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,988.50 : 167,986.02 = 28,882.50 : x
2. Step 2: Convert to fraction form
   111,988.50/167,986.02 = 28,882.50/x
3. Step 3: Cross multiply
   111,988.50x = 167,986.02 × 28,882.50
4. Step 4: Simplify right side
   111,988.50x = 4,851,856,222.65
5. Step 5: Solve for x
   x = 4,851,856,222.65/111,988.50
6. Step 6: Final answer
   x = 43,324.59