Finding the Fourth Proportional to 2,835.79, 4,249.59 and 2,488.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,835.79 : 4,249.59 = 2,488.30 : x
2. Step 2: Convert to fraction form
   2,835.79/4,249.59 = 2,488.30/x
3. Step 3: Cross multiply
   2,835.79x = 4,249.59 × 2,488.30
4. Step 4: Simplify right side
   2,835.79x = 10,574,254.80
5. Step 5: Solve for x
   x = 10,574,254.80/2,835.79
6. Step 6: Final answer
   x = 3,728.86