Finding the Fourth Proportional to 3,308.89, 4,963.47 and 1,117.63

Step by Step Solution

1. Step 1: Write the proportion equation
   3,308.89 : 4,963.47 = 1,117.63 : x
2. Step 2: Convert to fraction form
   3,308.89/4,963.47 = 1,117.63/x
3. Step 3: Cross multiply
   3,308.89x = 4,963.47 × 1,117.63
4. Step 4: Simplify right side
   3,308.89x = 5,547,322.98
5. Step 5: Solve for x
   x = 5,547,322.98/3,308.89
6. Step 6: Final answer
   x = 1,676.49