Finding the Fourth Proportional to 11,896.76, 17,846.71 and 4,399.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,896.76 : 17,846.71 = 4,399.30 : x
2. Step 2: Convert to fraction form
   11,896.76/17,846.71 = 4,399.30/x
3. Step 3: Cross multiply
   11,896.76x = 17,846.71 × 4,399.30
4. Step 4: Simplify right side
   11,896.76x = 78,513,031.30
5. Step 5: Solve for x
   x = 78,513,031.30/11,896.76
6. Step 6: Final answer
   x = 6,599.53