Finding the Fourth Proportional to 6,870.59, 10,305.90 and 1,676.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,870.59 : 10,305.90 = 1,676.42 : x
2. Step 2: Convert to fraction form
   6,870.59/10,305.90 = 1,676.42/x
3. Step 3: Cross multiply
   6,870.59x = 10,305.90 × 1,676.42
4. Step 4: Simplify right side
   6,870.59x = 17,276,965.35
5. Step 5: Solve for x
   x = 17,276,965.35/6,870.59
6. Step 6: Final answer
   x = 2,514.63