Finding the Fourth Proportional to 2,456.02, 3,390.47 and 1,572.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.02 : 3,390.47 = 1,572.33 : x
2. Step 2: Convert to fraction form
   2,456.02/3,390.47 = 1,572.33/x
3. Step 3: Cross multiply
   2,456.02x = 3,390.47 × 1,572.33
4. Step 4: Simplify right side
   2,456.02x = 5,330,929.83
5. Step 5: Solve for x
   x = 5,330,929.83/2,456.02
6. Step 6: Final answer
   x = 2,170.56