Finding the Fourth Proportional to 80,067.46, 120,138.56 and 35,689.59

Step by Step Solution

1. Step 1: Write the proportion equation
   80,067.46 : 120,138.56 = 35,689.59 : x
2. Step 2: Convert to fraction form
   80,067.46/120,138.56 = 35,689.59/x
3. Step 3: Cross multiply
   80,067.46x = 120,138.56 × 35,689.59
4. Step 4: Simplify right side
   80,067.46x = 4,287,695,949.59
5. Step 5: Solve for x
   x = 4,287,695,949.59/80,067.46
6. Step 6: Final answer
   x = 53,551.04