Finding the Fourth Proportional to 2,005.24, 3,007.96 and 619.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,005.24 : 3,007.96 = 619.52 : x
2. Step 2: Convert to fraction form
   2,005.24/3,007.96 = 619.52/x
3. Step 3: Cross multiply
   2,005.24x = 3,007.96 × 619.52
4. Step 4: Simplify right side
   2,005.24x = 1,863,491.38
5. Step 5: Solve for x
   x = 1,863,491.38/2,005.24
6. Step 6: Final answer
   x = 929.31