Finding the Fourth Proportional to 2,654.94, 3,985.49 and 1,424.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,654.94 : 3,985.49 = 1,424.76 : x
2. Step 2: Convert to fraction form
   2,654.94/3,985.49 = 1,424.76/x
3. Step 3: Cross multiply
   2,654.94x = 3,985.49 × 1,424.76
4. Step 4: Simplify right side
   2,654.94x = 5,678,366.73
5. Step 5: Solve for x
   x = 5,678,366.73/2,654.94
6. Step 6: Final answer
   x = 2,138.79