Finding the Fourth Proportional to 196,488.56, 271,155.12 and 111,610.28

Step by Step Solution

1. Step 1: Write the proportion equation
   196,488.56 : 271,155.12 = 111,610.28 : x
2. Step 2: Convert to fraction form
   196,488.56/271,155.12 = 111,610.28/x
3. Step 3: Cross multiply
   196,488.56x = 271,155.12 × 111,610.28
4. Step 4: Simplify right side
   196,488.56x = 30,263,698,866.63
5. Step 5: Solve for x
   x = 30,263,698,866.63/196,488.56
6. Step 6: Final answer
   x = 154,022.70