Finding the Fourth Proportional to 111,340.12, 167,008.56 and 28,234.12

Step by Step Solution

1. Step 1: Write the proportion equation
   111,340.12 : 167,008.56 = 28,234.12 : x
2. Step 2: Convert to fraction form
   111,340.12/167,008.56 = 28,234.12/x
3. Step 3: Cross multiply
   111,340.12x = 167,008.56 × 28,234.12
4. Step 4: Simplify right side
   111,340.12x = 4,715,339,724.07
5. Step 5: Solve for x
   x = 4,715,339,724.07/111,340.12
6. Step 6: Final answer
   x = 42,350.77