Finding the Fourth Proportional to 8,188.94, 12,280.37 and 5,570.68

Step by Step Solution

1. Step 1: Write the proportion equation
   8,188.94 : 12,280.37 = 5,570.68 : x
2. Step 2: Convert to fraction form
   8,188.94/12,280.37 = 5,570.68/x
3. Step 3: Cross multiply
   8,188.94x = 12,280.37 × 5,570.68
4. Step 4: Simplify right side
   8,188.94x = 68,410,011.55
5. Step 5: Solve for x
   x = 68,410,011.55/8,188.94
6. Step 6: Final answer
   x = 8,353.95