Finding the Fourth Proportional to 2,580.50, 3,561.02 and 1,401.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580.50 : 3,561.02 = 1,401.56 : x
2. Step 2: Convert to fraction form
   2,580.50/3,561.02 = 1,401.56/x
3. Step 3: Cross multiply
   2,580.50x = 3,561.02 × 1,401.56
4. Step 4: Simplify right side
   2,580.50x = 4,990,983.19
5. Step 5: Solve for x
   x = 4,990,983.19/2,580.50
6. Step 6: Final answer
   x = 1,934.12