Finding the Fourth Proportional to 8,111.84, 12,171.24 and 3,955.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,111.84 : 12,171.24 = 3,955.52 : x
2. Step 2: Convert to fraction form
   8,111.84/12,171.24 = 3,955.52/x
3. Step 3: Cross multiply
   8,111.84x = 12,171.24 × 3,955.52
4. Step 4: Simplify right side
   8,111.84x = 48,143,583.24
5. Step 5: Solve for x
   x = 48,143,583.24/8,111.84
6. Step 6: Final answer
   x = 5,934.98