Finding the Fourth Proportional to 2,586.93, 3,569.97 and 1,408.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,586.93 : 3,569.97 = 1,408.01 : x
2. Step 2: Convert to fraction form
   2,586.93/3,569.97 = 1,408.01/x
3. Step 3: Cross multiply
   2,586.93x = 3,569.97 × 1,408.01
4. Step 4: Simplify right side
   2,586.93x = 5,026,540.89
5. Step 5: Solve for x
   x = 5,026,540.89/2,586.93
6. Step 6: Final answer
   x = 1,943.06