Finding the Fourth Proportional to 2,580.03, 3,560.43 and 1,401.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580.03 : 3,560.43 = 1,401.09 : x
2. Step 2: Convert to fraction form
   2,580.03/3,560.43 = 1,401.09/x
3. Step 3: Cross multiply
   2,580.03x = 3,560.43 × 1,401.09
4. Step 4: Simplify right side
   2,580.03x = 4,988,482.87
5. Step 5: Solve for x
   x = 4,988,482.87/2,580.03
6. Step 6: Final answer
   x = 1,933.50