Finding the Fourth Proportional to 2,573.62, 3,551.61 and 1,394.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,573.62 : 3,551.61 = 1,394.69 : x
2. Step 2: Convert to fraction form
   2,573.62/3,551.61 = 1,394.69/x
3. Step 3: Cross multiply
   2,573.62x = 3,551.61 × 1,394.69
4. Step 4: Simplify right side
   2,573.62x = 4,953,371.96
5. Step 5: Solve for x
   x = 4,953,371.96/2,573.62
6. Step 6: Final answer
   x = 1,924.67