Finding the Fourth Proportional to 2,580.06, 3,560.49 and 1,401.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580.06 : 3,560.49 = 1,401.15 : x
2. Step 2: Convert to fraction form
   2,580.06/3,560.49 = 1,401.15/x
3. Step 3: Cross multiply
   2,580.06x = 3,560.49 × 1,401.15
4. Step 4: Simplify right side
   2,580.06x = 4,988,780.56
5. Step 5: Solve for x
   x = 4,988,780.56/2,580.06
6. Step 6: Final answer
   x = 1,933.59