Finding the Fourth Proportional to 2,589.12, 3,884.16 and 1,050.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,589.12 : 3,884.16 = 1,050.24 : x
2. Step 2: Convert to fraction form
   2,589.12/3,884.16 = 1,050.24/x
3. Step 3: Cross multiply
   2,589.12x = 3,884.16 × 1,050.24
4. Step 4: Simplify right side
   2,589.12x = 4,079,300.20
5. Step 5: Solve for x
   x = 4,079,300.20/2,589.12
6. Step 6: Final answer
   x = 1,575.55