Finding the Fourth Proportional to 2,590.56, 3,882.48 and 1,050.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590.56 : 3,882.48 = 1,050.72 : x
2. Step 2: Convert to fraction form
   2,590.56/3,882.48 = 1,050.72/x
3. Step 3: Cross multiply
   2,590.56x = 3,882.48 × 1,050.72
4. Step 4: Simplify right side
   2,590.56x = 4,079,399.39
5. Step 5: Solve for x
   x = 4,079,399.39/2,590.56
6. Step 6: Final answer
   x = 1,574.72