Finding the Fourth Proportional to 12,843.94, 19,267.75 and 3,960.01

Step by Step Solution

1. Step 1: Write the proportion equation
   12,843.94 : 19,267.75 = 3,960.01 : x
2. Step 2: Convert to fraction form
   12,843.94/19,267.75 = 3,960.01/x
3. Step 3: Cross multiply
   12,843.94x = 19,267.75 × 3,960.01
4. Step 4: Simplify right side
   12,843.94x = 76,300,554.77
5. Step 5: Solve for x
   x = 76,300,554.77/12,843.94
6. Step 6: Final answer
   x = 5,940.59