Finding the Fourth Proportional to 2,504.73, 3,454.34 and 1,619.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,504.73 : 3,454.34 = 1,619.67 : x
2. Step 2: Convert to fraction form
   2,504.73/3,454.34 = 1,619.67/x
3. Step 3: Cross multiply
   2,504.73x = 3,454.34 × 1,619.67
4. Step 4: Simplify right side
   2,504.73x = 5,594,882.77
5. Step 5: Solve for x
   x = 5,594,882.77/2,504.73
6. Step 6: Final answer
   x = 2,233.73