Finding the Fourth Proportional to 2,142.39, 3,230.13 and 1,714.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142.39 : 3,230.13 = 1,714.71 : x
2. Step 2: Convert to fraction form
   2,142.39/3,230.13 = 1,714.71/x
3. Step 3: Cross multiply
   2,142.39x = 3,230.13 × 1,714.71
4. Step 4: Simplify right side
   2,142.39x = 5,538,736.21
5. Step 5: Solve for x
   x = 5,538,736.21/2,142.39
6. Step 6: Final answer
   x = 2,585.31