Finding the Fourth Proportional to 111,906.90, 167,952.15 and 111,032.10

Step by Step Solution

1. Step 1: Write the proportion equation
   111,906.90 : 167,952.15 = 111,032.10 : x
2. Step 2: Convert to fraction form
   111,906.90/167,952.15 = 111,032.10/x
3. Step 3: Cross multiply
   111,906.90x = 167,952.15 × 111,032.10
4. Step 4: Simplify right side
   111,906.90x = 18,648,079,914.02
5. Step 5: Solve for x
   x = 18,648,079,914.02/111,906.90
6. Step 6: Final answer
   x = 166,639.23