Finding the Fourth Proportional to 196,488.81, 271,155.47 and 111,610.53

Step by Step Solution

1. Step 1: Write the proportion equation
   196,488.81 : 271,155.47 = 111,610.53 : x
2. Step 2: Convert to fraction form
   196,488.81/271,155.47 = 111,610.53/x
3. Step 3: Cross multiply
   196,488.81x = 271,155.47 × 111,610.53
4. Step 4: Simplify right side
   196,488.81x = 30,263,805,161.05
5. Step 5: Solve for x
   x = 30,263,805,161.05/196,488.81
6. Step 6: Final answer
   x = 154,023.05