Finding the Fourth Proportional to 142,022.49, 196,062.06 and 88,324.81

Step by Step Solution

1. Step 1: Write the proportion equation
   142,022.49 : 196,062.06 = 88,324.81 : x
2. Step 2: Convert to fraction form
   142,022.49/196,062.06 = 88,324.81/x
3. Step 3: Cross multiply
   142,022.49x = 196,062.06 × 88,324.81
4. Step 4: Simplify right side
   142,022.49x = 17,317,143,707.55
5. Step 5: Solve for x
   x = 17,317,143,707.55/142,022.49
6. Step 6: Final answer
   x = 121,932.40