Finding the Fourth Proportional to 196,581.69, 271,281.31 and 111,698.76

Step by Step Solution

1. Step 1: Write the proportion equation
   196,581.69 : 271,281.31 = 111,698.76 : x
2. Step 2: Convert to fraction form
   196,581.69/271,281.31 = 111,698.76/x
3. Step 3: Cross multiply
   196,581.69x = 271,281.31 × 111,698.76
4. Step 4: Simplify right side
   196,581.69x = 30,301,785,938.18
5. Step 5: Solve for x
   x = 30,301,785,938.18/196,581.69
6. Step 6: Final answer
   x = 154,143.48