Finding the Fourth Proportional to 2,603.71, 3,903.82 and 1,434.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,603.71 : 3,903.82 = 1,434.26 : x
2. Step 2: Convert to fraction form
   2,603.71/3,903.82 = 1,434.26/x
3. Step 3: Cross multiply
   2,603.71x = 3,903.82 × 1,434.26
4. Step 4: Simplify right side
   2,603.71x = 5,599,099.05
5. Step 5: Solve for x
   x = 5,599,099.05/2,603.71
6. Step 6: Final answer
   x = 2,150.43