Finding the Fourth Proportional to 1,559.24, 2,151.52 and 969.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,559.24 : 2,151.52 = 969.56 : x
2. Step 2: Convert to fraction form
   1,559.24/2,151.52 = 969.56/x
3. Step 3: Cross multiply
   1,559.24x = 2,151.52 × 969.56
4. Step 4: Simplify right side
   1,559.24x = 2,086,027.73
5. Step 5: Solve for x
   x = 2,086,027.73/1,559.24
6. Step 6: Final answer
   x = 1,337.85