Finding the Fourth Proportional to 2,175.17, 3,002.85 and 1,676.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175.17 : 3,002.85 = 1,676.70 : x
2. Step 2: Convert to fraction form
   2,175.17/3,002.85 = 1,676.70/x
3. Step 3: Cross multiply
   2,175.17x = 3,002.85 × 1,676.70
4. Step 4: Simplify right side
   2,175.17x = 5,034,878.60
5. Step 5: Solve for x
   x = 5,034,878.60/2,175.17
6. Step 6: Final answer
   x = 2,314.71