Finding the Fourth Proportional to 3,308.56, 4,963.57 and 1,117.23

Step by Step Solution

1. Step 1: Write the proportion equation
   3,308.56 : 4,963.57 = 1,117.23 : x
2. Step 2: Convert to fraction form
   3,308.56/4,963.57 = 1,117.23/x
3. Step 3: Cross multiply
   3,308.56x = 4,963.57 × 1,117.23
4. Step 4: Simplify right side
   3,308.56x = 5,545,449.31
5. Step 5: Solve for x
   x = 5,545,449.31/3,308.56
6. Step 6: Final answer
   x = 1,676.09