Finding the Fourth Proportional to 2,157.38, 2,974.83 and 1,457.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,157.38 : 2,974.83 = 1,457.54 : x
2. Step 2: Convert to fraction form
   2,157.38/2,974.83 = 1,457.54/x
3. Step 3: Cross multiply
   2,157.38x = 2,974.83 × 1,457.54
4. Step 4: Simplify right side
   2,157.38x = 4,335,933.72
5. Step 5: Solve for x
   x = 4,335,933.72/2,157.38
6. Step 6: Final answer
   x = 2,009.81