Finding the Fourth Proportional to 3,048.05, 4,569.31 and 1,098.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,048.05 : 4,569.31 = 1,098.88 : x
2. Step 2: Convert to fraction form
   3,048.05/4,569.31 = 1,098.88/x
3. Step 3: Cross multiply
   3,048.05x = 4,569.31 × 1,098.88
4. Step 4: Simplify right side
   3,048.05x = 5,021,123.37
5. Step 5: Solve for x
   x = 5,021,123.37/3,048.05
6. Step 6: Final answer
   x = 1,647.32