Finding the Fourth Proportional to 2,573.31, 3,551.18 and 1,394.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,573.31 : 3,551.18 = 1,394.39 : x
2. Step 2: Convert to fraction form
   2,573.31/3,551.18 = 1,394.39/x
3. Step 3: Cross multiply
   2,573.31x = 3,551.18 × 1,394.39
4. Step 4: Simplify right side
   2,573.31x = 4,951,705.15
5. Step 5: Solve for x
   x = 4,951,705.15/2,573.31
6. Step 6: Final answer
   x = 1,924.26