Finding the Fourth Proportional to 2,575.74, 3,554.52 and 1,396.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,575.74 : 3,554.52 = 1,396.82 : x
2. Step 2: Convert to fraction form
   2,575.74/3,554.52 = 1,396.82/x
3. Step 3: Cross multiply
   2,575.74x = 3,554.52 × 1,396.82
4. Step 4: Simplify right side
   2,575.74x = 4,965,006.85
5. Step 5: Solve for x
   x = 4,965,006.85/2,575.74
6. Step 6: Final answer
   x = 1,927.60