Finding the Fourth Proportional to 2,450.79, 3,380.30 and 1,554.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,450.79 : 3,380.30 = 1,554.80 : x
2. Step 2: Convert to fraction form
   2,450.79/3,380.30 = 1,554.80/x
3. Step 3: Cross multiply
   2,450.79x = 3,380.30 × 1,554.80
4. Step 4: Simplify right side
   2,450.79x = 5,255,665.76
5. Step 5: Solve for x
   x = 5,255,665.76/2,450.79
6. Step 6: Final answer
   x = 2,144.48