Finding the Fourth Proportional to 142,029.48, 213,007.52 and 42,167.07

Step by Step Solution

1. Step 1: Write the proportion equation
   142,029.48 : 213,007.52 = 42,167.07 : x
2. Step 2: Convert to fraction form
   142,029.48/213,007.52 = 42,167.07/x
3. Step 3: Cross multiply
   142,029.48x = 213,007.52 × 42,167.07
4. Step 4: Simplify right side
   142,029.48x = 8,981,902,795.53
5. Step 5: Solve for x
   x = 8,981,902,795.53/142,029.48
6. Step 6: Final answer
   x = 63,239.71