Finding the Fourth Proportional to 1,947.27, 2,920.22 and 714.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,947.27 : 2,920.22 = 714.35 : x
2. Step 2: Convert to fraction form
   1,947.27/2,920.22 = 714.35/x
3. Step 3: Cross multiply
   1,947.27x = 2,920.22 × 714.35
4. Step 4: Simplify right side
   1,947.27x = 2,086,065.56
5. Step 5: Solve for x
   x = 2,086,065.56/1,947.27
6. Step 6: Final answer
   x = 1,071.27