Finding the Fourth Proportional to 8,401.82, 12,601.31 and 2,558.07

Step by Step Solution

1. Step 1: Write the proportion equation
   8,401.82 : 12,601.31 = 2,558.07 : x
2. Step 2: Convert to fraction form
   8,401.82/12,601.31 = 2,558.07/x
3. Step 3: Cross multiply
   8,401.82x = 12,601.31 × 2,558.07
4. Step 4: Simplify right side
   8,401.82x = 32,235,020.28
5. Step 5: Solve for x
   x = 32,235,020.28/8,401.82
6. Step 6: Final answer
   x = 3,836.67