Finding the Fourth Proportional to 6,880.72, 10,317.82 and 2,665.94

Step by Step Solution

1. Step 1: Write the proportion equation
   6,880.72 : 10,317.82 = 2,665.94 : x
2. Step 2: Convert to fraction form
   6,880.72/10,317.82 = 2,665.94/x
3. Step 3: Cross multiply
   6,880.72x = 10,317.82 × 2,665.94
4. Step 4: Simplify right side
   6,880.72x = 27,506,714.85
5. Step 5: Solve for x
   x = 27,506,714.85/6,880.72
6. Step 6: Final answer
   x = 3,997.65