Finding the Fourth Proportional to 4,942.10, 7,410.81 and 1,654.31

Step by Step Solution

1. Step 1: Write the proportion equation
   4,942.10 : 7,410.81 = 1,654.31 : x
2. Step 2: Convert to fraction form
   4,942.10/7,410.81 = 1,654.31/x
3. Step 3: Cross multiply
   4,942.10x = 7,410.81 × 1,654.31
4. Step 4: Simplify right side
   4,942.10x = 12,259,740.04
5. Step 5: Solve for x
   x = 12,259,740.04/4,942.10
6. Step 6: Final answer
   x = 2,480.68