Finding the Fourth Proportional to 2,421.43, 3,629.69 and 1,641.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,421.43 : 3,629.69 = 1,641.51 : x
2. Step 2: Convert to fraction form
   2,421.43/3,629.69 = 1,641.51/x
3. Step 3: Cross multiply
   2,421.43x = 3,629.69 × 1,641.51
4. Step 4: Simplify right side
   2,421.43x = 5,958,172.43
5. Step 5: Solve for x
   x = 5,958,172.43/2,421.43
6. Step 6: Final answer
   x = 2,460.60