Finding the Fourth Proportional to 111,429.15, 167,144.09 and 28,323.15

Step by Step Solution

1. Step 1: Write the proportion equation
   111,429.15 : 167,144.09 = 28,323.15 : x
2. Step 2: Convert to fraction form
   111,429.15/167,144.09 = 28,323.15/x
3. Step 3: Cross multiply
   111,429.15x = 167,144.09 × 28,323.15
4. Step 4: Simplify right side
   111,429.15x = 4,734,046,991.07
5. Step 5: Solve for x
   x = 4,734,046,991.07/111,429.15
6. Step 6: Final answer
   x = 42,484.82