Finding the Fourth Proportional to 4,946.40, 7,414.56 and 2,754.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,946.40 : 7,414.56 = 2,754.72 : x
2. Step 2: Convert to fraction form
   4,946.40/7,414.56 = 2,754.72/x
3. Step 3: Cross multiply
   4,946.40x = 7,414.56 × 2,754.72
4. Step 4: Simplify right side
   4,946.40x = 20,425,036.72
5. Step 5: Solve for x
   x = 20,425,036.72/4,946.40
6. Step 6: Final answer
   x = 4,129.27