Finding the Fourth Proportional to 5,667.20, 8,486.60 and 3,580.92

Step by Step Solution

1. Step 1: Write the proportion equation
   5,667.20 : 8,486.60 = 3,580.92 : x
2. Step 2: Convert to fraction form
   5,667.20/8,486.60 = 3,580.92/x
3. Step 3: Cross multiply
   5,667.20x = 8,486.60 × 3,580.92
4. Step 4: Simplify right side
   5,667.20x = 30,389,835.67
5. Step 5: Solve for x
   x = 30,389,835.67/5,667.20
6. Step 6: Final answer
   x = 5,362.41