Finding the Fourth Proportional to 2,604.34, 3,905.79 and 1,305.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,604.34 : 3,905.79 = 1,305.46 : x
2. Step 2: Convert to fraction form
   2,604.34/3,905.79 = 1,305.46/x
3. Step 3: Cross multiply
   2,604.34x = 3,905.79 × 1,305.46
4. Step 4: Simplify right side
   2,604.34x = 5,098,852.61
5. Step 5: Solve for x
   x = 5,098,852.61/2,604.34
6. Step 6: Final answer
   x = 1,957.83