Finding the Fourth Proportional to 142,406.42, 213,738.03 and 75,901.94

Step by Step Solution

1. Step 1: Write the proportion equation
   142,406.42 : 213,738.03 = 75,901.94 : x
2. Step 2: Convert to fraction form
   142,406.42/213,738.03 = 75,901.94/x
3. Step 3: Cross multiply
   142,406.42x = 213,738.03 × 75,901.94
4. Step 4: Simplify right side
   142,406.42x = 16,223,131,128.78
5. Step 5: Solve for x
   x = 16,223,131,128.78/142,406.42
6. Step 6: Final answer
   x = 113,921.35