Finding the Fourth Proportional to 2,429.38, 3,353.70 and 1,647.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.38 : 3,353.70 = 1,647.55 : x
2. Step 2: Convert to fraction form
   2,429.38/3,353.70 = 1,647.55/x
3. Step 3: Cross multiply
   2,429.38x = 3,353.70 × 1,647.55
4. Step 4: Simplify right side
   2,429.38x = 5,525,388.44
5. Step 5: Solve for x
   x = 5,525,388.44/2,429.38
6. Step 6: Final answer
   x = 2,274.40