Finding the Fourth Proportional to 8,069.58, 12,099.71 and 3,133.45

Step by Step Solution

1. Step 1: Write the proportion equation
   8,069.58 : 12,099.71 = 3,133.45 : x
2. Step 2: Convert to fraction form
   8,069.58/12,099.71 = 3,133.45/x
3. Step 3: Cross multiply
   8,069.58x = 12,099.71 × 3,133.45
4. Step 4: Simplify right side
   8,069.58x = 37,913,790.38
5. Step 5: Solve for x
   x = 37,913,790.38/8,069.58
6. Step 6: Final answer
   x = 4,698.36