Finding the Fourth Proportional to 2,587.01, 3,570 and 1,408.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,587.01 : 3,570 = 1,408.05 : x
2. Step 2: Convert to fraction form
   2,587.01/3,570 = 1,408.05/x
3. Step 3: Cross multiply
   2,587.01x = 3,570 × 1,408.05
4. Step 4: Simplify right side
   2,587.01x = 5,026,751.89
5. Step 5: Solve for x
   x = 5,026,751.89/2,587.01
6. Step 6: Final answer
   x = 1,943.07