Finding the Fourth Proportional to 2,483.98, 3,428.08 and 1,643.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,483.98 : 3,428.08 = 1,643.24 : x
2. Step 2: Convert to fraction form
   2,483.98/3,428.08 = 1,643.24/x
3. Step 3: Cross multiply
   2,483.98x = 3,428.08 × 1,643.24
4. Step 4: Simplify right side
   2,483.98x = 5,633,162.64
5. Step 5: Solve for x
   x = 5,633,162.64/2,483.98
6. Step 6: Final answer
   x = 2,267.80