Finding the Fourth Proportional to 3,663.10, 5,491.05 and 3,274.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663.10 : 5,491.05 = 3,274.30 : x
2. Step 2: Convert to fraction form
   3,663.10/5,491.05 = 3,274.30/x
3. Step 3: Cross multiply
   3,663.10x = 5,491.05 × 3,274.30
4. Step 4: Simplify right side
   3,663.10x = 17,979,345.02
5. Step 5: Solve for x
   x = 17,979,345.02/3,663.10
6. Step 6: Final answer
   x = 4,908.23