Finding the Fourth Proportional to 2,007.23, 3,009.84 and 910.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.23 : 3,009.84 = 910.82 : x
2. Step 2: Convert to fraction form
   2,007.23/3,009.84 = 910.82/x
3. Step 3: Cross multiply
   2,007.23x = 3,009.84 × 910.82
4. Step 4: Simplify right side
   2,007.23x = 2,741,407.42
5. Step 5: Solve for x
   x = 2,741,407.42/2,007.23
6. Step 6: Final answer
   x = 1,365.77