Finding the Fourth Proportional to 2,588.18, 3,571.57 and 1,409.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,588.18 : 3,571.57 = 1,409.14 : x
2. Step 2: Convert to fraction form
   2,588.18/3,571.57 = 1,409.14/x
3. Step 3: Cross multiply
   2,588.18x = 3,571.57 × 1,409.14
4. Step 4: Simplify right side
   2,588.18x = 5,032,842.15
5. Step 5: Solve for x
   x = 5,032,842.15/2,588.18
6. Step 6: Final answer
   x = 1,944.55