Finding the Fourth Proportional to 3,513.40, 4,848.82 and 2,022.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,513.40 : 4,848.82 = 2,022.18 : x
2. Step 2: Convert to fraction form
   3,513.40/4,848.82 = 2,022.18/x
3. Step 3: Cross multiply
   3,513.40x = 4,848.82 × 2,022.18
4. Step 4: Simplify right side
   3,513.40x = 9,805,186.83
5. Step 5: Solve for x
   x = 9,805,186.83/3,513.40
6. Step 6: Final answer
   x = 2,790.80