Finding the Fourth Proportional to 2,429.80, 3,352.82 and 1,381.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.80 : 3,352.82 = 1,381.88 : x
2. Step 2: Convert to fraction form
   2,429.80/3,352.82 = 1,381.88/x
3. Step 3: Cross multiply
   2,429.80x = 3,352.82 × 1,381.88
4. Step 4: Simplify right side
   2,429.80x = 4,633,194.90
5. Step 5: Solve for x
   x = 4,633,194.90/2,429.80
6. Step 6: Final answer
   x = 1,906.82