Finding the Fourth Proportional to 2,575.72, 3,554.28 and 1,456.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,575.72 : 3,554.28 = 1,456.60 : x
2. Step 2: Convert to fraction form
   2,575.72/3,554.28 = 1,456.60/x
3. Step 3: Cross multiply
   2,575.72x = 3,554.28 × 1,456.60
4. Step 4: Simplify right side
   2,575.72x = 5,177,164.25
5. Step 5: Solve for x
   x = 5,177,164.25/2,575.72
6. Step 6: Final answer
   x = 2,009.99