Finding the Fourth Proportional to 2,606.38, 3,905.46 and 1,434.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.38 : 3,905.46 = 1,434.67 : x
2. Step 2: Convert to fraction form
   2,606.38/3,905.46 = 1,434.67/x
3. Step 3: Cross multiply
   2,606.38x = 3,905.46 × 1,434.67
4. Step 4: Simplify right side
   2,606.38x = 5,603,036.53
5. Step 5: Solve for x
   x = 5,603,036.53/2,606.38
6. Step 6: Final answer
   x = 2,149.74