Finding the Fourth Proportional to 2,573.33, 3,551.20 and 1,394.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,573.33 : 3,551.20 = 1,394.40 : x
2. Step 2: Convert to fraction form
   2,573.33/3,551.20 = 1,394.40/x
3. Step 3: Cross multiply
   2,573.33x = 3,551.20 × 1,394.40
4. Step 4: Simplify right side
   2,573.33x = 4,951,799.10
5. Step 5: Solve for x
   x = 4,951,799.10/2,573.33
6. Step 6: Final answer
   x = 1,924.28