Finding the Fourth Proportional to 1,714.41, 2,363.46 and 1,216.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,714.41 : 2,363.46 = 1,216.87 : x
2. Step 2: Convert to fraction form
   1,714.41/2,363.46 = 1,216.87/x
3. Step 3: Cross multiply
   1,714.41x = 2,363.46 × 1,216.87
4. Step 4: Simplify right side
   1,714.41x = 2,876,019.94
5. Step 5: Solve for x
   x = 2,876,019.94/1,714.41
6. Step 6: Final answer
   x = 1,677.56