Finding the Fourth Proportional to 1,562.24, 2,155.32 and 956.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,562.24 : 2,155.32 = 956.37 : x
2. Step 2: Convert to fraction form
   1,562.24/2,155.32 = 956.37/x
3. Step 3: Cross multiply
   1,562.24x = 2,155.32 × 956.37
4. Step 4: Simplify right side
   1,562.24x = 2,061,283.39
5. Step 5: Solve for x
   x = 2,061,283.39/1,562.24
6. Step 6: Final answer
   x = 1,319.45