Finding the Fourth Proportional to 2,548.80, 3,518.01 and 1,554.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,548.80 : 3,518.01 = 1,554.75 : x
2. Step 2: Convert to fraction form
   2,548.80/3,518.01 = 1,554.75/x
3. Step 3: Cross multiply
   2,548.80x = 3,518.01 × 1,554.75
4. Step 4: Simplify right side
   2,548.80x = 5,469,626.05
5. Step 5: Solve for x
   x = 5,469,626.05/2,548.80
6. Step 6: Final answer
   x = 2,145.96