Finding the Fourth Proportional to 142,059.82, 196,116.24 and 103,776.38

Step by Step Solution

1. Step 1: Write the proportion equation
   142,059.82 : 196,116.24 = 103,776.38 : x
2. Step 2: Convert to fraction form
   142,059.82/196,116.24 = 103,776.38/x
3. Step 3: Cross multiply
   142,059.82x = 196,116.24 × 103,776.38
4. Step 4: Simplify right side
   142,059.82x = 20,352,233,446.41
5. Step 5: Solve for x
   x = 20,352,233,446.41/142,059.82
6. Step 6: Final answer
   x = 143,265.23