Finding the Fourth Proportional to 108,553.36, 149,786.22 and 60,808.72

Step by Step Solution

1. Step 1: Write the proportion equation
   108,553.36 : 149,786.22 = 60,808.72 : x
2. Step 2: Convert to fraction form
   108,553.36/149,786.22 = 60,808.72/x
3. Step 3: Cross multiply
   108,553.36x = 149,786.22 × 60,808.72
4. Step 4: Simplify right side
   108,553.36x = 9,108,308,311.84
5. Step 5: Solve for x
   x = 9,108,308,311.84/108,553.36
6. Step 6: Final answer
   x = 83,906.28