Finding the Fourth Proportional to 142,367.82, 213,939.72 and 75,855.48

Step by Step Solution

1. Step 1: Write the proportion equation
   142,367.82 : 213,939.72 = 75,855.48 : x
2. Step 2: Convert to fraction form
   142,367.82/213,939.72 = 75,855.48/x
3. Step 3: Cross multiply
   142,367.82x = 213,939.72 × 75,855.48
4. Step 4: Simplify right side
   142,367.82x = 16,228,500,151.67
5. Step 5: Solve for x
   x = 16,228,500,151.67/142,367.82
6. Step 6: Final answer
   x = 113,989.95