Finding the Fourth Proportional to 1,571.32, 2,168.52 and 908.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,571.32 : 2,168.52 = 908.34 : x
2. Step 2: Convert to fraction form
   1,571.32/2,168.52 = 908.34/x
3. Step 3: Cross multiply
   1,571.32x = 2,168.52 × 908.34
4. Step 4: Simplify right side
   1,571.32x = 1,969,753.46
5. Step 5: Solve for x
   x = 1,969,753.46/1,571.32
6. Step 6: Final answer
   x = 1,253.57