Finding the Fourth Proportional to 2,484.10, 3,428.24 and 1,643.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,484.10 : 3,428.24 = 1,643.34 : x
2. Step 2: Convert to fraction form
   2,484.10/3,428.24 = 1,643.34/x
3. Step 3: Cross multiply
   2,484.10x = 3,428.24 × 1,643.34
4. Step 4: Simplify right side
   2,484.10x = 5,633,763.92
5. Step 5: Solve for x
   x = 5,633,763.92/2,484.10
6. Step 6: Final answer
   x = 2,267.93