Finding the Fourth Proportional to 2,429.78, 3,353.19 and 1,382.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.78 : 3,353.19 = 1,382.18 : x
2. Step 2: Convert to fraction form
   2,429.78/3,353.19 = 1,382.18/x
3. Step 3: Cross multiply
   2,429.78x = 3,353.19 × 1,382.18
4. Step 4: Simplify right side
   2,429.78x = 4,634,712.15
5. Step 5: Solve for x
   x = 4,634,712.15/2,429.78
6. Step 6: Final answer
   x = 1,907.46