Finding the Fourth Proportional to 1,714.32, 2,574.60 and 1,644.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,714.32 : 2,574.60 = 1,644.72 : x
2. Step 2: Convert to fraction form
   1,714.32/2,574.60 = 1,644.72/x
3. Step 3: Cross multiply
   1,714.32x = 2,574.60 × 1,644.72
4. Step 4: Simplify right side
   1,714.32x = 4,234,496.11
5. Step 5: Solve for x
   x = 4,234,496.11/1,714.32
6. Step 6: Final answer
   x = 2,470.07