Finding the Fourth Proportional to 1,714.32, 2,570.72 and 673.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,714.32 : 2,570.72 = 673.74 : x
2. Step 2: Convert to fraction form
   1,714.32/2,570.72 = 673.74/x
3. Step 3: Cross multiply
   1,714.32x = 2,570.72 × 673.74
4. Step 4: Simplify right side
   1,714.32x = 1,731,996.89
5. Step 5: Solve for x
   x = 1,731,996.89/1,714.32
6. Step 6: Final answer
   x = 1,010.31