Finding the Fourth Proportional to 142,286.05, 213,423.98 and 35,670.89

Step by Step Solution

1. Step 1: Write the proportion equation
   142,286.05 : 213,423.98 = 35,670.89 : x
2. Step 2: Convert to fraction form
   142,286.05/213,423.98 = 35,670.89/x
3. Step 3: Cross multiply
   142,286.05x = 213,423.98 × 35,670.89
4. Step 4: Simplify right side
   142,286.05x = 7,613,023,936.68
5. Step 5: Solve for x
   x = 7,613,023,936.68/142,286.05
6. Step 6: Final answer
   x = 53,505.06