Finding the Fourth Proportional to 2,575.37, 3,554.04 and 1,396.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,575.37 : 3,554.04 = 1,396.45 : x
2. Step 2: Convert to fraction form
   2,575.37/3,554.04 = 1,396.45/x
3. Step 3: Cross multiply
   2,575.37x = 3,554.04 × 1,396.45
4. Step 4: Simplify right side
   2,575.37x = 4,963,039.16
5. Step 5: Solve for x
   x = 4,963,039.16/2,575.37
6. Step 6: Final answer
   x = 1,927.12