Finding the Fourth Proportional to 3,612.20, 4,982.92 and 3,510.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,612.20 : 4,982.92 = 3,510.54 : x
2. Step 2: Convert to fraction form
   3,612.20/4,982.92 = 3,510.54/x
3. Step 3: Cross multiply
   3,612.20x = 4,982.92 × 3,510.54
4. Step 4: Simplify right side
   3,612.20x = 17,492,731.20
5. Step 5: Solve for x
   x = 17,492,731.20/3,612.20
6. Step 6: Final answer
   x = 4,842.69