Finding the Fourth Proportional to 2,945.50, 4,064.89 and 1,619.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,945.50 : 4,064.89 = 1,619.30 : x
2. Step 2: Convert to fraction form
   2,945.50/4,064.89 = 1,619.30/x
3. Step 3: Cross multiply
   2,945.50x = 4,064.89 × 1,619.30
4. Step 4: Simplify right side
   2,945.50x = 6,582,268.28
5. Step 5: Solve for x
   x = 6,582,268.28/2,945.50
6. Step 6: Final answer
   x = 2,234.69