Finding the Fourth Proportional to 342,858.56, 514,369.96 and 143,067.82

Step by Step Solution

1. Step 1: Write the proportion equation
   342,858.56 : 514,369.96 = 143,067.82 : x
2. Step 2: Convert to fraction form
   342,858.56/514,369.96 = 143,067.82/x
3. Step 3: Cross multiply
   342,858.56x = 514,369.96 × 143,067.82
4. Step 4: Simplify right side
   342,858.56x = 73,589,788,850.69
5. Step 5: Solve for x
   x = 73,589,788,850.69/342,858.56
6. Step 6: Final answer
   x = 214,636.00