Finding the Fourth Proportional to 1,366.91, 2,047.59 and 716.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,366.91 : 2,047.59 = 716.25 : x
2. Step 2: Convert to fraction form
   1,366.91/2,047.59 = 716.25/x
3. Step 3: Cross multiply
   1,366.91x = 2,047.59 × 716.25
4. Step 4: Simplify right side
   1,366.91x = 1,466,586.34
5. Step 5: Solve for x
   x = 1,466,586.34/1,366.91
6. Step 6: Final answer
   x = 1,072.92