Finding the Fourth Proportional to 1,714.88, 2,364.38 and 1,399.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,714.88 : 2,364.38 = 1,399.82 : x
2. Step 2: Convert to fraction form
   1,714.88/2,364.38 = 1,399.82/x
3. Step 3: Cross multiply
   1,714.88x = 2,364.38 × 1,399.82
4. Step 4: Simplify right side
   1,714.88x = 3,309,706.41
5. Step 5: Solve for x
   x = 3,309,706.41/1,714.88
6. Step 6: Final answer
   x = 1,929.99