Finding the Fourth Proportional to 2,429.09, 3,352.17 and 1,380.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.09 : 3,352.17 = 1,380.95 : x
2. Step 2: Convert to fraction form
   2,429.09/3,352.17 = 1,380.95/x
3. Step 3: Cross multiply
   2,429.09x = 3,352.17 × 1,380.95
4. Step 4: Simplify right side
   2,429.09x = 4,629,162.40
5. Step 5: Solve for x
   x = 4,629,162.40/2,429.09
6. Step 6: Final answer
   x = 1,905.72