Finding the Fourth Proportional to 2,561.02, 3,539.85 and 2,336.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,561.02 : 3,539.85 = 2,336.12 : x
2. Step 2: Convert to fraction form
   2,561.02/3,539.85 = 2,336.12/x
3. Step 3: Cross multiply
   2,561.02x = 3,539.85 × 2,336.12
4. Step 4: Simplify right side
   2,561.02x = 8,269,514.34
5. Step 5: Solve for x
   x = 8,269,514.34/2,561.02
6. Step 6: Final answer
   x = 3,228.99