Finding the Fourth Proportional to 3,298.95, 4,948.89 and 1,108.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,298.95 : 4,948.89 = 1,108.31 : x
2. Step 2: Convert to fraction form
   3,298.95/4,948.89 = 1,108.31/x
3. Step 3: Cross multiply
   3,298.95x = 4,948.89 × 1,108.31
4. Step 4: Simplify right side
   3,298.95x = 5,484,886.36
5. Step 5: Solve for x
   x = 5,484,886.36/3,298.95
6. Step 6: Final answer
   x = 1,662.61