Finding the Fourth Proportional to 2,574.81, 3,553.26 and 1,512.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,574.81 : 3,553.26 = 1,512.30 : x
2. Step 2: Convert to fraction form
   2,574.81/3,553.26 = 1,512.30/x
3. Step 3: Cross multiply
   2,574.81x = 3,553.26 × 1,512.30
4. Step 4: Simplify right side
   2,574.81x = 5,373,595.10
5. Step 5: Solve for x
   x = 5,373,595.10/2,574.81
6. Step 6: Final answer
   x = 2,086.99