Finding the Fourth Proportional to 8,124.72, 12,179.88 and 3,962.40

Step by Step Solution

1. Step 1: Write the proportion equation
   8,124.72 : 12,179.88 = 3,962.40 : x
2. Step 2: Convert to fraction form
   8,124.72/12,179.88 = 3,962.40/x
3. Step 3: Cross multiply
   8,124.72x = 12,179.88 × 3,962.40
4. Step 4: Simplify right side
   8,124.72x = 48,261,556.51
5. Step 5: Solve for x
   x = 48,261,556.51/8,124.72
6. Step 6: Final answer
   x = 5,940.09