Finding the Fourth Proportional to 2,022.50, 3,030.24 and 1,098.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,022.50 : 3,030.24 = 1,098.70 : x
2. Step 2: Convert to fraction form
   2,022.50/3,030.24 = 1,098.70/x
3. Step 3: Cross multiply
   2,022.50x = 3,030.24 × 1,098.70
4. Step 4: Simplify right side
   2,022.50x = 3,329,324.69
5. Step 5: Solve for x
   x = 3,329,324.69/2,022.50
6. Step 6: Final answer
   x = 1,646.14