Finding the Fourth Proportional to 2,587.32, 3,570.53 and 1,408.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,587.32 : 3,570.53 = 1,408.41 : x
2. Step 2: Convert to fraction form
   2,587.32/3,570.53 = 1,408.41/x
3. Step 3: Cross multiply
   2,587.32x = 3,570.53 × 1,408.41
4. Step 4: Simplify right side
   2,587.32x = 5,028,763.12
5. Step 5: Solve for x
   x = 5,028,763.12/2,587.32
6. Step 6: Final answer
   x = 1,943.62