Finding the Fourth Proportional to 144,485.10, 199,429.52 and 84,067.42

Step by Step Solution

1. Step 1: Write the proportion equation
   144,485.10 : 199,429.52 = 84,067.42 : x
2. Step 2: Convert to fraction form
   144,485.10/199,429.52 = 84,067.42/x
3. Step 3: Cross multiply
   144,485.10x = 199,429.52 × 84,067.42
4. Step 4: Simplify right side
   144,485.10x = 16,765,524,299.33
5. Step 5: Solve for x
   x = 16,765,524,299.33/144,485.10
6. Step 6: Final answer
   x = 116,036.35