Finding the Fourth Proportional to 2,504.42, 3,453.86 and 1,619.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,504.42 : 3,453.86 = 1,619.30 : x
2. Step 2: Convert to fraction form
   2,504.42/3,453.86 = 1,619.30/x
3. Step 3: Cross multiply
   2,504.42x = 3,453.86 × 1,619.30
4. Step 4: Simplify right side
   2,504.42x = 5,592,835.50
5. Step 5: Solve for x
   x = 5,592,835.50/2,504.42
6. Step 6: Final answer
   x = 2,233.19