Finding the Fourth Proportional to 2,271.73, 3,408.18 and 1,428.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,271.73 : 3,408.18 = 1,428.41 : x
2. Step 2: Convert to fraction form
   2,271.73/3,408.18 = 1,428.41/x
3. Step 3: Cross multiply
   2,271.73x = 3,408.18 × 1,428.41
4. Step 4: Simplify right side
   2,271.73x = 4,868,261.35
5. Step 5: Solve for x
   x = 4,868,261.35/2,271.73
6. Step 6: Final answer
   x = 2,142.98