Finding the Fourth Proportional to 2,589.72, 3,573.90 and 1,541.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,589.72 : 3,573.90 = 1,541.64 : x
2. Step 2: Convert to fraction form
   2,589.72/3,573.90 = 1,541.64/x
3. Step 3: Cross multiply
   2,589.72x = 3,573.90 × 1,541.64
4. Step 4: Simplify right side
   2,589.72x = 5,509,667.20
5. Step 5: Solve for x
   x = 5,509,667.20/2,589.72
6. Step 6: Final answer
   x = 2,127.51