Finding the Fourth Proportional to 2,428.92, 3,638.52 and 1,454.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,428.92 : 3,638.52 = 1,454.49 : x
2. Step 2: Convert to fraction form
   2,428.92/3,638.52 = 1,454.49/x
3. Step 3: Cross multiply
   2,428.92x = 3,638.52 × 1,454.49
4. Step 4: Simplify right side
   2,428.92x = 5,292,190.95
5. Step 5: Solve for x
   x = 5,292,190.95/2,428.92
6. Step 6: Final answer
   x = 2,178.82