Finding the Fourth Proportional to 2,504.72, 3,455.89 and 1,619.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,504.72 : 3,455.89 = 1,619.45 : x
2. Step 2: Convert to fraction form
   2,504.72/3,455.89 = 1,619.45/x
3. Step 3: Cross multiply
   2,504.72x = 3,455.89 × 1,619.45
4. Step 4: Simplify right side
   2,504.72x = 5,596,646.29
5. Step 5: Solve for x
   x = 5,596,646.29/2,504.72
6. Step 6: Final answer
   x = 2,234.44