Finding the Fourth Proportional to 2,429.63, 3,352.91 and 1,381.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.63 : 3,352.91 = 1,381.69 : x
2. Step 2: Convert to fraction form
   2,429.63/3,352.91 = 1,381.69/x
3. Step 3: Cross multiply
   2,429.63x = 3,352.91 × 1,381.69
4. Step 4: Simplify right side
   2,429.63x = 4,632,682.22
5. Step 5: Solve for x
   x = 4,632,682.22/2,429.63
6. Step 6: Final answer
   x = 1,906.74