Finding the Fourth Proportional to 2,580.29, 3,560.76 and 1,401.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580.29 : 3,560.76 = 1,401.35 : x
2. Step 2: Convert to fraction form
   2,580.29/3,560.76 = 1,401.35/x
3. Step 3: Cross multiply
   2,580.29x = 3,560.76 × 1,401.35
4. Step 4: Simplify right side
   2,580.29x = 4,989,871.03
5. Step 5: Solve for x
   x = 4,989,871.03/2,580.29
6. Step 6: Final answer
   x = 1,933.84