Finding the Fourth Proportional to 1,964.27, 2,706.32 and 1,264.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,964.27 : 2,706.32 = 1,264.43 : x
2. Step 2: Convert to fraction form
   1,964.27/2,706.32 = 1,264.43/x
3. Step 3: Cross multiply
   1,964.27x = 2,706.32 × 1,264.43
4. Step 4: Simplify right side
   1,964.27x = 3,421,932.34
5. Step 5: Solve for x
   x = 3,421,932.34/1,964.27
6. Step 6: Final answer
   x = 1,742.09