Finding the Fourth Proportional to 8,038.82, 12,056.61 and 3,109.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,038.82 : 12,056.61 = 3,109.16 : x
2. Step 2: Convert to fraction form
   8,038.82/12,056.61 = 3,109.16/x
3. Step 3: Cross multiply
   8,038.82x = 12,056.61 × 3,109.16
4. Step 4: Simplify right side
   8,038.82x = 37,485,929.55
5. Step 5: Solve for x
   x = 37,485,929.55/8,038.82
6. Step 6: Final answer
   x = 4,663.11