Finding the Fourth Proportional to 1,714.18, 2,366.15 and 1,218.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,714.18 : 2,366.15 = 1,218.27 : x
2. Step 2: Convert to fraction form
   1,714.18/2,366.15 = 1,218.27/x
3. Step 3: Cross multiply
   1,714.18x = 2,366.15 × 1,218.27
4. Step 4: Simplify right side
   1,714.18x = 2,882,597.73
5. Step 5: Solve for x
   x = 2,882,597.73/1,714.18
6. Step 6: Final answer
   x = 1,681.62