Finding the Fourth Proportional to 1,956.28, 2,696.86 and 1,395.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,956.28 : 2,696.86 = 1,395.78 : x
2. Step 2: Convert to fraction form
   1,956.28/2,696.86 = 1,395.78/x
3. Step 3: Cross multiply
   1,956.28x = 2,696.86 × 1,395.78
4. Step 4: Simplify right side
   1,956.28x = 3,764,223.25
5. Step 5: Solve for x
   x = 3,764,223.25/1,956.28
6. Step 6: Final answer
   x = 1,924.17