Finding the Fourth Proportional to 1,714.83, 2,568.81 and 789.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,714.83 : 2,568.81 = 789.12 : x
2. Step 2: Convert to fraction form
   1,714.83/2,568.81 = 789.12/x
3. Step 3: Cross multiply
   1,714.83x = 2,568.81 × 789.12
4. Step 4: Simplify right side
   1,714.83x = 2,027,099.35
5. Step 5: Solve for x
   x = 2,027,099.35/1,714.83
6. Step 6: Final answer
   x = 1,182.10