Finding the Fourth Proportional to 2,297.34, 3,443.98 and 911.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,297.34 : 3,443.98 = 911.64 : x
2. Step 2: Convert to fraction form
   2,297.34/3,443.98 = 911.64/x
3. Step 3: Cross multiply
   2,297.34x = 3,443.98 × 911.64
4. Step 4: Simplify right side
   2,297.34x = 3,139,669.93
5. Step 5: Solve for x
   x = 3,139,669.93/2,297.34
6. Step 6: Final answer
   x = 1,366.65