Finding the Fourth Proportional to 2,429.49, 3,352.83 and 1,381.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.49 : 3,352.83 = 1,381.89 : x
2. Step 2: Convert to fraction form
   2,429.49/3,352.83 = 1,381.89/x
3. Step 3: Cross multiply
   2,429.49x = 3,352.83 × 1,381.89
4. Step 4: Simplify right side
   2,429.49x = 4,633,242.25
5. Step 5: Solve for x
   x = 4,633,242.25/2,429.49
6. Step 6: Final answer
   x = 1,907.08