Finding the Fourth Proportional to 82,401.12, 113,744.70 and 50,613.12

Step by Step Solution

1. Step 1: Write the proportion equation
   82,401.12 : 113,744.70 = 50,613.12 : x
2. Step 2: Convert to fraction form
   82,401.12/113,744.70 = 50,613.12/x
3. Step 3: Cross multiply
   82,401.12x = 113,744.70 × 50,613.12
4. Step 4: Simplify right side
   82,401.12x = 5,756,974,150.46
5. Step 5: Solve for x
   x = 5,756,974,150.46/82,401.12
6. Step 6: Final answer
   x = 69,865.24