Finding the Fourth Proportional to 2,575.41, 3,554.06 and 1,396.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,575.41 : 3,554.06 = 1,396.48 : x
2. Step 2: Convert to fraction form
   2,575.41/3,554.06 = 1,396.48/x
3. Step 3: Cross multiply
   2,575.41x = 3,554.06 × 1,396.48
4. Step 4: Simplify right side
   2,575.41x = 4,963,173.71
5. Step 5: Solve for x
   x = 4,963,173.71/2,575.41
6. Step 6: Final answer
   x = 1,927.14