Finding the Fourth Proportional to 8,111.52, 12,167.52 and 5,355.84

Step by Step Solution

1. Step 1: Write the proportion equation
   8,111.52 : 12,167.52 = 5,355.84 : x
2. Step 2: Convert to fraction form
   8,111.52/12,167.52 = 5,355.84/x
3. Step 3: Cross multiply
   8,111.52x = 12,167.52 × 5,355.84
4. Step 4: Simplify right side
   8,111.52x = 65,167,290.32
5. Step 5: Solve for x
   x = 65,167,290.32/8,111.52
6. Step 6: Final answer
   x = 8,033.92