Finding the Fourth Proportional to 2,456.22, 3,390.03 and 1,572.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.22 : 3,390.03 = 1,572.00 : x
2. Step 2: Convert to fraction form
   2,456.22/3,390.03 = 1,572.00/x
3. Step 3: Cross multiply
   2,456.22x = 3,390.03 × 1,572.00
4. Step 4: Simplify right side
   2,456.22x = 5,329,106.28
5. Step 5: Solve for x
   x = 5,329,106.28/2,456.22
6. Step 6: Final answer
   x = 2,169.63