Finding the Fourth Proportional to 2,559.72, 3,529.50 and 2,186.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,559.72 : 3,529.50 = 2,186.04 : x
2. Step 2: Convert to fraction form
   2,559.72/3,529.50 = 2,186.04/x
3. Step 3: Cross multiply
   2,559.72x = 3,529.50 × 2,186.04
4. Step 4: Simplify right side
   2,559.72x = 7,715,628.18
5. Step 5: Solve for x
   x = 7,715,628.18/2,559.72
6. Step 6: Final answer
   x = 3,014.25