Finding the Fourth Proportional to 2,587.95, 3,571.38 and 1,409.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,587.95 : 3,571.38 = 1,409.02 : x
2. Step 2: Convert to fraction form
   2,587.95/3,571.38 = 1,409.02/x
3. Step 3: Cross multiply
   2,587.95x = 3,571.38 × 1,409.02
4. Step 4: Simplify right side
   2,587.95x = 5,032,131.64
5. Step 5: Solve for x
   x = 5,032,131.64/2,587.95
6. Step 6: Final answer
   x = 1,944.45