Finding the Fourth Proportional to 196,826.28, 271,635.30 and 111,938.28

Step by Step Solution

1. Step 1: Write the proportion equation
   196,826.28 : 271,635.30 = 111,938.28 : x
2. Step 2: Convert to fraction form
   196,826.28/271,635.30 = 111,938.28/x
3. Step 3: Cross multiply
   196,826.28x = 271,635.30 × 111,938.28
4. Step 4: Simplify right side
   196,826.28x = 30,406,388,269.28
5. Step 5: Solve for x
   x = 30,406,388,269.28/196,826.28
6. Step 6: Final answer
   x = 154,483.38