Finding the Fourth Proportional to 256,500.72, 384,792.44 and 79,007.67

Step by Step Solution

1. Step 1: Write the proportion equation
   256,500.72 : 384,792.44 = 79,007.67 : x
2. Step 2: Convert to fraction form
   256,500.72/384,792.44 = 79,007.67/x
3. Step 3: Cross multiply
   256,500.72x = 384,792.44 × 79,007.67
4. Step 4: Simplify right side
   256,500.72x = 30,401,553,722.98
5. Step 5: Solve for x
   x = 30,401,553,722.98/256,500.72
6. Step 6: Final answer
   x = 118,524.24