Finding the Fourth Proportional to 1,078.03, 1,616.71 and 714.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,078.03 : 1,616.71 = 714.75 : x
2. Step 2: Convert to fraction form
   1,078.03/1,616.71 = 714.75/x
3. Step 3: Cross multiply
   1,078.03x = 1,616.71 × 714.75
4. Step 4: Simplify right side
   1,078.03x = 1,155,531.82
5. Step 5: Solve for x
   x = 1,155,531.82/1,078.03
6. Step 6: Final answer
   x = 1,071.89