Finding the Fourth Proportional to 5,501.94, 8,256.15 and 2,580.27

Step by Step Solution

1. Step 1: Write the proportion equation
   5,501.94 : 8,256.15 = 2,580.27 : x
2. Step 2: Convert to fraction form
   5,501.94/8,256.15 = 2,580.27/x
3. Step 3: Cross multiply
   5,501.94x = 8,256.15 × 2,580.27
4. Step 4: Simplify right side
   5,501.94x = 21,303,096.16
5. Step 5: Solve for x
   x = 21,303,096.16/5,501.94
6. Step 6: Final answer
   x = 3,871.92