Finding the Fourth Proportional to 142,158.82, 196,019.24 and 116,236.49

Step by Step Solution

1. Step 1: Write the proportion equation
   142,158.82 : 196,019.24 = 116,236.49 : x
2. Step 2: Convert to fraction form
   142,158.82/196,019.24 = 116,236.49/x
3. Step 3: Cross multiply
   142,158.82x = 196,019.24 × 116,236.49
4. Step 4: Simplify right side
   142,158.82x = 22,784,588,338.93
5. Step 5: Solve for x
   x = 22,784,588,338.93/142,158.82
6. Step 6: Final answer
   x = 160,275.59