Finding the Fourth Proportional to 8,071.22, 12,106.50 and 2,807.43

Step by Step Solution

1. Step 1: Write the proportion equation
   8,071.22 : 12,106.50 = 2,807.43 : x
2. Step 2: Convert to fraction form
   8,071.22/12,106.50 = 2,807.43/x
3. Step 3: Cross multiply
   8,071.22x = 12,106.50 × 2,807.43
4. Step 4: Simplify right side
   8,071.22x = 33,988,151.30
5. Step 5: Solve for x
   x = 33,988,151.30/8,071.22
6. Step 6: Final answer
   x = 4,211.03