Finding the Fourth Proportional to 1,868.39, 2,789.00 and 1,714.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,868.39 : 2,789.00 = 1,714.31 : x
2. Step 2: Convert to fraction form
   1,868.39/2,789.00 = 1,714.31/x
3. Step 3: Cross multiply
   1,868.39x = 2,789.00 × 1,714.31
4. Step 4: Simplify right side
   1,868.39x = 4,781,188.07
5. Step 5: Solve for x
   x = 4,781,188.07/1,868.39
6. Step 6: Final answer
   x = 2,559.00