Finding the Fourth Proportional to 2,554.45, 3,824.24 and 1,899.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554.45 : 3,824.24 = 1,899.23 : x
2. Step 2: Convert to fraction form
   2,554.45/3,824.24 = 1,899.23/x
3. Step 3: Cross multiply
   2,554.45x = 3,824.24 × 1,899.23
4. Step 4: Simplify right side
   2,554.45x = 7,263,082.72
5. Step 5: Solve for x
   x = 7,263,082.72/2,554.45
6. Step 6: Final answer
   x = 2,843.31