Finding the Fourth Proportional to 143,792.56, 215,786.04 and 50,299.12

Step by Step Solution

1. Step 1: Write the proportion equation
   143,792.56 : 215,786.04 = 50,299.12 : x
2. Step 2: Convert to fraction form
   143,792.56/215,786.04 = 50,299.12/x
3. Step 3: Cross multiply
   143,792.56x = 215,786.04 × 50,299.12
4. Step 4: Simplify right side
   143,792.56x = 10,853,847,920.28
5. Step 5: Solve for x
   x = 10,853,847,920.28/143,792.56
6. Step 6: Final answer
   x = 75,482.68