Finding the Fourth Proportional to 3,072.67, 4,608.77 and 1,098.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,072.67 : 4,608.77 = 1,098.10 : x
2. Step 2: Convert to fraction form
   3,072.67/4,608.77 = 1,098.10/x
3. Step 3: Cross multiply
   3,072.67x = 4,608.77 × 1,098.10
4. Step 4: Simplify right side
   3,072.67x = 5,060,870.86
5. Step 5: Solve for x
   x = 5,060,870.86/3,072.67
6. Step 6: Final answer
   x = 1,647.06