Finding the Fourth Proportional to 2,835.59, 4,229.91 and 2,420.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,835.59 : 4,229.91 = 2,420.06 : x
2. Step 2: Convert to fraction form
   2,835.59/4,229.91 = 2,420.06/x
3. Step 3: Cross multiply
   2,835.59x = 4,229.91 × 2,420.06
4. Step 4: Simplify right side
   2,835.59x = 10,236,614.85
5. Step 5: Solve for x
   x = 10,236,614.85/2,835.59
6. Step 6: Final answer
   x = 3,610.05