Finding the Fourth Proportional to 2,580.95, 3,561.61 and 1,401.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580.95 : 3,561.61 = 1,401.98 : x
2. Step 2: Convert to fraction form
   2,580.95/3,561.61 = 1,401.98/x
3. Step 3: Cross multiply
   2,580.95x = 3,561.61 × 1,401.98
4. Step 4: Simplify right side
   2,580.95x = 4,993,284.67
5. Step 5: Solve for x
   x = 4,993,284.67/2,580.95
6. Step 6: Final answer
   x = 1,934.67