Finding the Fourth Proportional to 1,676.84, 2,496.46 and 1,668.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,676.84 : 2,496.46 = 1,668.72 : x
2. Step 2: Convert to fraction form
   1,676.84/2,496.46 = 1,668.72/x
3. Step 3: Cross multiply
   1,676.84x = 2,496.46 × 1,668.72
4. Step 4: Simplify right side
   1,676.84x = 4,165,892.73
5. Step 5: Solve for x
   x = 4,165,892.73/1,676.84
6. Step 6: Final answer
   x = 2,484.37