Finding the Fourth Proportional to 1,956.81, 2,700.32 and 1,171.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,956.81 : 2,700.32 = 1,171.29 : x
2. Step 2: Convert to fraction form
   1,956.81/2,700.32 = 1,171.29/x
3. Step 3: Cross multiply
   1,956.81x = 2,700.32 × 1,171.29
4. Step 4: Simplify right side
   1,956.81x = 3,162,851.96
5. Step 5: Solve for x
   x = 3,162,851.96/1,956.81
6. Step 6: Final answer
   x = 1,616.33