Finding the Fourth Proportional to 2,554.24, 3,524.57 and 1,435.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554.24 : 3,524.57 = 1,435.30 : x
2. Step 2: Convert to fraction form
   2,554.24/3,524.57 = 1,435.30/x
3. Step 3: Cross multiply
   2,554.24x = 3,524.57 × 1,435.30
4. Step 4: Simplify right side
   2,554.24x = 5,058,815.32
5. Step 5: Solve for x
   x = 5,058,815.32/2,554.24
6. Step 6: Final answer
   x = 1,980.56