Finding the Fourth Proportional to 2,296.06, 3,443.34 and 909.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,296.06 : 3,443.34 = 909.15 : x
2. Step 2: Convert to fraction form
   2,296.06/3,443.34 = 909.15/x
3. Step 3: Cross multiply
   2,296.06x = 3,443.34 × 909.15
4. Step 4: Simplify right side
   2,296.06x = 3,130,512.56
5. Step 5: Solve for x
   x = 3,130,512.56/2,296.06
6. Step 6: Final answer
   x = 1,363.43