Finding the Fourth Proportional to 2,429.92, 3,353.25 and 1,381.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.92 : 3,353.25 = 1,381.96 : x
2. Step 2: Convert to fraction form
   2,429.92/3,353.25 = 1,381.96/x
3. Step 3: Cross multiply
   2,429.92x = 3,353.25 × 1,381.96
4. Step 4: Simplify right side
   2,429.92x = 4,634,057.37
5. Step 5: Solve for x
   x = 4,634,057.37/2,429.92
6. Step 6: Final answer
   x = 1,907.08