Finding the Fourth Proportional to 8,586.01, 12,882.33 and 3,319.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,586.01 : 12,882.33 = 3,319.56 : x
2. Step 2: Convert to fraction form
   8,586.01/12,882.33 = 3,319.56/x
3. Step 3: Cross multiply
   8,586.01x = 12,882.33 × 3,319.56
4. Step 4: Simplify right side
   8,586.01x = 42,763,667.37
5. Step 5: Solve for x
   x = 42,763,667.37/8,586.01
6. Step 6: Final answer
   x = 4,980.62