Finding the Fourth Proportional to 8,127.12, 12,179.72 and 5,925.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,127.12 : 12,179.72 = 5,925.54 : x
2. Step 2: Convert to fraction form
   8,127.12/12,179.72 = 5,925.54/x
3. Step 3: Cross multiply
   8,127.12x = 12,179.72 × 5,925.54
4. Step 4: Simplify right side
   8,127.12x = 72,171,418.05
5. Step 5: Solve for x
   x = 72,171,418.05/8,127.12
6. Step 6: Final answer
   x = 8,880.32