Finding the Fourth Proportional to 2,603.71, 3,905.31 and 1,433.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,603.71 : 3,905.31 = 1,433.33 : x
2. Step 2: Convert to fraction form
   2,603.71/3,905.31 = 1,433.33/x
3. Step 3: Cross multiply
   2,603.71x = 3,905.31 × 1,433.33
4. Step 4: Simplify right side
   2,603.71x = 5,597,598.48
5. Step 5: Solve for x
   x = 5,597,598.48/2,603.71
6. Step 6: Final answer
   x = 2,149.85