Finding the Fourth Proportional to 2,450.55, 3,380.76 and 1,554.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,450.55 : 3,380.76 = 1,554.21 : x
2. Step 2: Convert to fraction form
   2,450.55/3,380.76 = 1,554.21/x
3. Step 3: Cross multiply
   2,450.55x = 3,380.76 × 1,554.21
4. Step 4: Simplify right side
   2,450.55x = 5,254,411.00
5. Step 5: Solve for x
   x = 5,254,411.00/2,450.55
6. Step 6: Final answer
   x = 2,144.18