Finding the Fourth Proportional to 1,571.34, 2,168.29 and 908.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,571.34 : 2,168.29 = 908.41 : x
2. Step 2: Convert to fraction form
   1,571.34/2,168.29 = 908.41/x
3. Step 3: Cross multiply
   1,571.34x = 2,168.29 × 908.41
4. Step 4: Simplify right side
   1,571.34x = 1,969,692.03
5. Step 5: Solve for x
   x = 1,969,692.03/1,571.34
6. Step 6: Final answer
   x = 1,253.51