Finding the Fourth Proportional to 3,308.76, 4,963.59 and 1,117.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,308.76 : 4,963.59 = 1,117.71 : x
2. Step 2: Convert to fraction form
   3,308.76/4,963.59 = 1,117.71/x
3. Step 3: Cross multiply
   3,308.76x = 4,963.59 × 1,117.71
4. Step 4: Simplify right side
   3,308.76x = 5,547,854.18
5. Step 5: Solve for x
   x = 5,547,854.18/3,308.76
6. Step 6: Final answer
   x = 1,676.72