Finding the Fourth Proportional to 2,606.38, 3,907.74 and 1,306.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.38 : 3,907.74 = 1,306.93 : x
2. Step 2: Convert to fraction form
   2,606.38/3,907.74 = 1,306.93/x
3. Step 3: Cross multiply
   2,606.38x = 3,907.74 × 1,306.93
4. Step 4: Simplify right side
   2,606.38x = 5,107,142.64
5. Step 5: Solve for x
   x = 5,107,142.64/2,606.38
6. Step 6: Final answer
   x = 1,959.48