Finding the Fourth Proportional to 2,209.73, 3,048.15 and 1,380.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,209.73 : 3,048.15 = 1,380.29 : x
2. Step 2: Convert to fraction form
   2,209.73/3,048.15 = 1,380.29/x
3. Step 3: Cross multiply
   2,209.73x = 3,048.15 × 1,380.29
4. Step 4: Simplify right side
   2,209.73x = 4,207,315.72
5. Step 5: Solve for x
   x = 4,207,315.72/2,209.73
6. Step 6: Final answer
   x = 1,904.00