Finding the Fourth Proportional to 2,007.67, 3,011.55 and 953.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.67 : 3,011.55 = 953.23 : x
2. Step 2: Convert to fraction form
   2,007.67/3,011.55 = 953.23/x
3. Step 3: Cross multiply
   2,007.67x = 3,011.55 × 953.23
4. Step 4: Simplify right side
   2,007.67x = 2,870,699.81
5. Step 5: Solve for x
   x = 2,870,699.81/2,007.67
6. Step 6: Final answer
   x = 1,429.87