Finding the Fourth Proportional to 111,904.90, 167,949.15 and 111,030.10

Step by Step Solution

1. Step 1: Write the proportion equation
   111,904.90 : 167,949.15 = 111,030.10 : x
2. Step 2: Convert to fraction form
   111,904.90/167,949.15 = 111,030.10/x
3. Step 3: Cross multiply
   111,904.90x = 167,949.15 × 111,030.10
4. Step 4: Simplify right side
   111,904.90x = 18,647,410,919.42
5. Step 5: Solve for x
   x = 18,647,410,919.42/111,904.90
6. Step 6: Final answer
   x = 166,636.23