Finding the Fourth Proportional to 111,846.42, 167,647.98 and 55,728

Step by Step Solution

1. Step 1: Write the proportion equation
   111,846.42 : 167,647.98 = 55,728 : x
2. Step 2: Convert to fraction form
   111,846.42/167,647.98 = 55,728/x
3. Step 3: Cross multiply
   111,846.42x = 167,647.98 × 55,728
4. Step 4: Simplify right side
   111,846.42x = 9,342,686,629.44
5. Step 5: Solve for x
   x = 9,342,686,629.44/111,846.42
6. Step 6: Final answer
   x = 83,531.39