Finding the Fourth Proportional to 1,714.29, 2,359.59 and 1,431.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,714.29 : 2,359.59 = 1,431.33 : x
2. Step 2: Convert to fraction form
   1,714.29/2,359.59 = 1,431.33/x
3. Step 3: Cross multiply
   1,714.29x = 2,359.59 × 1,431.33
4. Step 4: Simplify right side
   1,714.29x = 3,377,351.95
5. Step 5: Solve for x
   x = 3,377,351.95/1,714.29
6. Step 6: Final answer
   x = 1,970.12