Finding the Fourth Proportional to 8,071.10, 12,108.59 and 2,805.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,071.10 : 12,108.59 = 2,805.34 : x
2. Step 2: Convert to fraction form
   8,071.10/12,108.59 = 2,805.34/x
3. Step 3: Cross multiply
   8,071.10x = 12,108.59 × 2,805.34
4. Step 4: Simplify right side
   8,071.10x = 33,968,667.57
5. Step 5: Solve for x
   x = 33,968,667.57/8,071.10
6. Step 6: Final answer
   x = 4,208.68