Finding the Fourth Proportional to 3,722.85, 5,162.17 and 3,598.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,722.85 : 5,162.17 = 3,598.30 : x
2. Step 2: Convert to fraction form
   3,722.85/5,162.17 = 3,598.30/x
3. Step 3: Cross multiply
   3,722.85x = 5,162.17 × 3,598.30
4. Step 4: Simplify right side
   3,722.85x = 18,575,043.71
5. Step 5: Solve for x
   x = 18,575,043.71/3,722.85
6. Step 6: Final answer
   x = 4,989.46