Finding the Fourth Proportional to 2,429.67, 3,352.95 and 1,381.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.67 : 3,352.95 = 1,381.80 : x
2. Step 2: Convert to fraction form
   2,429.67/3,352.95 = 1,381.80/x
3. Step 3: Cross multiply
   2,429.67x = 3,352.95 × 1,381.80
4. Step 4: Simplify right side
   2,429.67x = 4,633,106.31
5. Step 5: Solve for x
   x = 4,633,106.31/2,429.67
6. Step 6: Final answer
   x = 1,906.89