Finding the Fourth Proportional to 2,580.24, 3,560.73 and 1,585.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580.24 : 3,560.73 = 1,585.51 : x
2. Step 2: Convert to fraction form
   2,580.24/3,560.73 = 1,585.51/x
3. Step 3: Cross multiply
   2,580.24x = 3,560.73 × 1,585.51
4. Step 4: Simplify right side
   2,580.24x = 5,645,573.02
5. Step 5: Solve for x
   x = 5,645,573.02/2,580.24
6. Step 6: Final answer
   x = 2,188.00