Finding the Fourth Proportional to 2,029.69, 2,800.98 and 1,098.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,029.69 : 2,800.98 = 1,098.19 : x
2. Step 2: Convert to fraction form
   2,029.69/2,800.98 = 1,098.19/x
3. Step 3: Cross multiply
   2,029.69x = 2,800.98 × 1,098.19
4. Step 4: Simplify right side
   2,029.69x = 3,076,001.22
5. Step 5: Solve for x
   x = 3,076,001.22/2,029.69
6. Step 6: Final answer
   x = 1,515.50