Finding the Fourth Proportional to 7,008.72, 10,498.49 and 3,313.90

Step by Step Solution

1. Step 1: Write the proportion equation
   7,008.72 : 10,498.49 = 3,313.90 : x
2. Step 2: Convert to fraction form
   7,008.72/10,498.49 = 3,313.90/x
3. Step 3: Cross multiply
   7,008.72x = 10,498.49 × 3,313.90
4. Step 4: Simplify right side
   7,008.72x = 34,790,946.01
5. Step 5: Solve for x
   x = 34,790,946.01/7,008.72
6. Step 6: Final answer
   x = 4,963.95