Finding the Fourth Proportional to 1,375.46, 1,896.45 and 956.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,375.46 : 1,896.45 = 956.16 : x
2. Step 2: Convert to fraction form
   1,375.46/1,896.45 = 956.16/x
3. Step 3: Cross multiply
   1,375.46x = 1,896.45 × 956.16
4. Step 4: Simplify right side
   1,375.46x = 1,813,309.63
5. Step 5: Solve for x
   x = 1,813,309.63/1,375.46
6. Step 6: Final answer
   x = 1,318.33