Finding the Fourth Proportional to 2,557.72, 3,528.75 and 1,674.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,557.72 : 3,528.75 = 1,674.01 : x
2. Step 2: Convert to fraction form
   2,557.72/3,528.75 = 1,674.01/x
3. Step 3: Cross multiply
   2,557.72x = 3,528.75 × 1,674.01
4. Step 4: Simplify right side
   2,557.72x = 5,907,162.79
5. Step 5: Solve for x
   x = 5,907,162.79/2,557.72
6. Step 6: Final answer
   x = 2,309.54