Finding the Fourth Proportional to 196,699.48, 271,446.18 and 111,834.28

Step by Step Solution

1. Step 1: Write the proportion equation
   196,699.48 : 271,446.18 = 111,834.28 : x
2. Step 2: Convert to fraction form
   196,699.48/271,446.18 = 111,834.28/x
3. Step 3: Cross multiply
   196,699.48x = 271,446.18 × 111,834.28
4. Step 4: Simplify right side
   196,699.48x = 30,356,988,099.05
5. Step 5: Solve for x
   x = 30,356,988,099.05/196,699.48
6. Step 6: Final answer
   x = 154,331.82