Finding the Fourth Proportional to 8,005.31, 12,007.71 and 3,622.77

Step by Step Solution

1. Step 1: Write the proportion equation
   8,005.31 : 12,007.71 = 3,622.77 : x
2. Step 2: Convert to fraction form
   8,005.31/12,007.71 = 3,622.77/x
3. Step 3: Cross multiply
   8,005.31x = 12,007.71 × 3,622.77
4. Step 4: Simplify right side
   8,005.31x = 43,501,137.01
5. Step 5: Solve for x
   x = 43,501,137.01/8,005.31
6. Step 6: Final answer
   x = 5,434.04