Finding the Fourth Proportional to 2,064.72, 3,097.26 and 909.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,064.72 : 3,097.26 = 909.84 : x
2. Step 2: Convert to fraction form
   2,064.72/3,097.26 = 909.84/x
3. Step 3: Cross multiply
   2,064.72x = 3,097.26 × 909.84
4. Step 4: Simplify right side
   2,064.72x = 2,818,011.04
5. Step 5: Solve for x
   x = 2,818,011.04/2,064.72
6. Step 6: Final answer
   x = 1,364.84