Finding the Fourth Proportional to 2,429.46, 3,353.40 and 1,643.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.46 : 3,353.40 = 1,643.49 : x
2. Step 2: Convert to fraction form
   2,429.46/3,353.40 = 1,643.49/x
3. Step 3: Cross multiply
   2,429.46x = 3,353.40 × 1,643.49
4. Step 4: Simplify right side
   2,429.46x = 5,511,279.37
5. Step 5: Solve for x
   x = 5,511,279.37/2,429.46
6. Step 6: Final answer
   x = 2,268.52