Finding the Fourth Proportional to 2,588.22, 3,571.76 and 1,409.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,588.22 : 3,571.76 = 1,409.30 : x
2. Step 2: Convert to fraction form
   2,588.22/3,571.76 = 1,409.30/x
3. Step 3: Cross multiply
   2,588.22x = 3,571.76 × 1,409.30
4. Step 4: Simplify right side
   2,588.22x = 5,033,681.37
5. Step 5: Solve for x
   x = 5,033,681.37/2,588.22
6. Step 6: Final answer
   x = 1,944.84