Finding the Fourth Proportional to 5,724.32, 8,585.46 and 2,603.59

Step by Step Solution

1. Step 1: Write the proportion equation
   5,724.32 : 8,585.46 = 2,603.59 : x
2. Step 2: Convert to fraction form
   5,724.32/8,585.46 = 2,603.59/x
3. Step 3: Cross multiply
   5,724.32x = 8,585.46 × 2,603.59
4. Step 4: Simplify right side
   5,724.32x = 22,353,004.78
5. Step 5: Solve for x
   x = 22,353,004.78/5,724.32
6. Step 6: Final answer
   x = 3,904.92