Finding the Fourth Proportional to 142,227.84, 196,127.10 and 122,151.12

Step by Step Solution

1. Step 1: Write the proportion equation
   142,227.84 : 196,127.10 = 122,151.12 : x
2. Step 2: Convert to fraction form
   142,227.84/196,127.10 = 122,151.12/x
3. Step 3: Cross multiply
   142,227.84x = 196,127.10 × 122,151.12
4. Step 4: Simplify right side
   142,227.84x = 23,957,144,927.35
5. Step 5: Solve for x
   x = 23,957,144,927.35/142,227.84
6. Step 6: Final answer
   x = 168,442.02