Finding the Fourth Proportional to 144,225, 198,901.22 and 120,105.83

Step by Step Solution

1. Step 1: Write the proportion equation
   144,225 : 198,901.22 = 120,105.83 : x
2. Step 2: Convert to fraction form
   144,225/198,901.22 = 120,105.83/x
3. Step 3: Cross multiply
   144,225x = 198,901.22 × 120,105.83
4. Step 4: Simplify right side
   144,225x = 23,889,196,012.84
5. Step 5: Solve for x
   x = 23,889,196,012.84/144,225
6. Step 6: Final answer
   x = 165,638.38