Finding the Fourth Proportional to 1,946.53, 2,919.86 and 714.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,946.53 : 2,919.86 = 714.25 : x
2. Step 2: Convert to fraction form
   1,946.53/2,919.86 = 714.25/x
3. Step 3: Cross multiply
   1,946.53x = 2,919.86 × 714.25
4. Step 4: Simplify right side
   1,946.53x = 2,085,491.83
5. Step 5: Solve for x
   x = 2,085,491.83/1,946.53
6. Step 6: Final answer
   x = 1,071.39