Finding the Fourth Proportional to 2,588.78, 3,572.21 and 1,469.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,588.78 : 3,572.21 = 1,469.49 : x
2. Step 2: Convert to fraction form
   2,588.78/3,572.21 = 1,469.49/x
3. Step 3: Cross multiply
   2,588.78x = 3,572.21 × 1,469.49
4. Step 4: Simplify right side
   2,588.78x = 5,249,330.55
5. Step 5: Solve for x
   x = 5,249,330.55/2,588.78
6. Step 6: Final answer
   x = 2,027.73