Finding the Fourth Proportional to 108,764.02, 162,850.78 and 108,173.53

Step by Step Solution

1. Step 1: Write the proportion equation
   108,764.02 : 162,850.78 = 108,173.53 : x
2. Step 2: Convert to fraction form
   108,764.02/162,850.78 = 108,173.53/x
3. Step 3: Cross multiply
   108,764.02x = 162,850.78 × 108,173.53
4. Step 4: Simplify right side
   108,764.02x = 17,616,143,735.85
5. Step 5: Solve for x
   x = 17,616,143,735.85/108,764.02
6. Step 6: Final answer
   x = 161,966.65