Finding the Fourth Proportional to 1,456.86, 2,184.86 and 716.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456.86 : 2,184.86 = 716.10 : x
2. Step 2: Convert to fraction form
   1,456.86/2,184.86 = 716.10/x
3. Step 3: Cross multiply
   1,456.86x = 2,184.86 × 716.10
4. Step 4: Simplify right side
   1,456.86x = 1,564,578.25
5. Step 5: Solve for x
   x = 1,564,578.25/1,456.86
6. Step 6: Final answer
   x = 1,073.94