Finding the Fourth Proportional to 2,467.72, 3,401.94 and 1,680.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,467.72 : 3,401.94 = 1,680.76 : x
2. Step 2: Convert to fraction form
   2,467.72/3,401.94 = 1,680.76/x
3. Step 3: Cross multiply
   2,467.72x = 3,401.94 × 1,680.76
4. Step 4: Simplify right side
   2,467.72x = 5,717,844.67
5. Step 5: Solve for x
   x = 5,717,844.67/2,467.72
6. Step 6: Final answer
   x = 2,317.06