Finding the Fourth Proportional to 4,717.50, 7,086.72 and 3,076.62

Step by Step Solution

1. Step 1: Write the proportion equation
   4,717.50 : 7,086.72 = 3,076.62 : x
2. Step 2: Convert to fraction form
   4,717.50/7,086.72 = 3,076.62/x
3. Step 3: Cross multiply
   4,717.50x = 7,086.72 × 3,076.62
4. Step 4: Simplify right side
   4,717.50x = 21,803,144.49
5. Step 5: Solve for x
   x = 21,803,144.49/4,717.50
6. Step 6: Final answer
   x = 4,621.76