Finding the Fourth Proportional to 1,559.25, 2,152.04 and 969.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,559.25 : 2,152.04 = 969.71 : x
2. Step 2: Convert to fraction form
   1,559.25/2,152.04 = 969.71/x
3. Step 3: Cross multiply
   1,559.25x = 2,152.04 × 969.71
4. Step 4: Simplify right side
   1,559.25x = 2,086,839.10
5. Step 5: Solve for x
   x = 2,086,839.10/1,559.25
6. Step 6: Final answer
   x = 1,338.36