Finding the Fourth Proportional to 6,974.78, 10,457.10 and 3,275.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,974.78 : 10,457.10 = 3,275.10 : x
2. Step 2: Convert to fraction form
   6,974.78/10,457.10 = 3,275.10/x
3. Step 3: Cross multiply
   6,974.78x = 10,457.10 × 3,275.10
4. Step 4: Simplify right side
   6,974.78x = 34,248,048.21
5. Step 5: Solve for x
   x = 34,248,048.21/6,974.78
6. Step 6: Final answer
   x = 4,910.27