Finding the Fourth Proportional to 2,456.00, 3,390.45 and 1,572.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.00 : 3,390.45 = 1,572.32 : x
2. Step 2: Convert to fraction form
   2,456.00/3,390.45 = 1,572.32/x
3. Step 3: Cross multiply
   2,456.00x = 3,390.45 × 1,572.32
4. Step 4: Simplify right side
   2,456.00x = 5,330,874.92
5. Step 5: Solve for x
   x = 5,330,874.92/2,456.00
6. Step 6: Final answer
   x = 2,170.55