Finding the Fourth Proportional to 3,300.72, 4,554.27 and 1,974.21

Step by Step Solution

1. Step 1: Write the proportion equation
   3,300.72 : 4,554.27 = 1,974.21 : x
2. Step 2: Convert to fraction form
   3,300.72/4,554.27 = 1,974.21/x
3. Step 3: Cross multiply
   3,300.72x = 4,554.27 × 1,974.21
4. Step 4: Simplify right side
   3,300.72x = 8,991,085.38
5. Step 5: Solve for x
   x = 8,991,085.38/3,300.72
6. Step 6: Final answer
   x = 2,723.98