Finding the Fourth Proportional to 142,111.99, 196,107.66 and 80,852.41

Step by Step Solution

1. Step 1: Write the proportion equation
   142,111.99 : 196,107.66 = 80,852.41 : x
2. Step 2: Convert to fraction form
   142,111.99/196,107.66 = 80,852.41/x
3. Step 3: Cross multiply
   142,111.99x = 196,107.66 × 80,852.41
4. Step 4: Simplify right side
   142,111.99x = 15,855,776,930.46
5. Step 5: Solve for x
   x = 15,855,776,930.46/142,111.99
6. Step 6: Final answer
   x = 111,572.41