Finding the Fourth Proportional to 2,575.30, 3,553.92 and 1,396.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,575.30 : 3,553.92 = 1,396.37 : x
2. Step 2: Convert to fraction form
   2,575.30/3,553.92 = 1,396.37/x
3. Step 3: Cross multiply
   2,575.30x = 3,553.92 × 1,396.37
4. Step 4: Simplify right side
   2,575.30x = 4,962,587.27
5. Step 5: Solve for x
   x = 4,962,587.27/2,575.30
6. Step 6: Final answer
   x = 1,926.99