Finding the Fourth Proportional to 2,575.92, 3,555.23 and 1,457.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,575.92 : 3,555.23 = 1,457.21 : x
2. Step 2: Convert to fraction form
   2,575.92/3,555.23 = 1,457.21/x
3. Step 3: Cross multiply
   2,575.92x = 3,555.23 × 1,457.21
4. Step 4: Simplify right side
   2,575.92x = 5,180,698.31
5. Step 5: Solve for x
   x = 5,180,698.31/2,575.92
6. Step 6: Final answer
   x = 2,011.20