Finding the Fourth Proportional to 2,007.04, 3,009.12 and 910.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.04 : 3,009.12 = 910.84 : x
2. Step 2: Convert to fraction form
   2,007.04/3,009.12 = 910.84/x
3. Step 3: Cross multiply
   2,007.04x = 3,009.12 × 910.84
4. Step 4: Simplify right side
   2,007.04x = 2,740,826.86
5. Step 5: Solve for x
   x = 2,740,826.86/2,007.04
6. Step 6: Final answer
   x = 1,365.61