Finding the Fourth Proportional to 6,980.76, 10,456.98 and 3,460.14

Step by Step Solution

1. Step 1: Write the proportion equation
   6,980.76 : 10,456.98 = 3,460.14 : x
2. Step 2: Convert to fraction form
   6,980.76/10,456.98 = 3,460.14/x
3. Step 3: Cross multiply
   6,980.76x = 10,456.98 × 3,460.14
4. Step 4: Simplify right side
   6,980.76x = 36,182,614.78
5. Step 5: Solve for x
   x = 36,182,614.78/6,980.76
6. Step 6: Final answer
   x = 5,183.19