Finding the Fourth Proportional to 11,941.30, 16,467.98 and 8,118.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,941.30 : 16,467.98 = 8,118.69 : x
2. Step 2: Convert to fraction form
   11,941.30/16,467.98 = 8,118.69/x
3. Step 3: Cross multiply
   11,941.30x = 16,467.98 × 8,118.69
4. Step 4: Simplify right side
   11,941.30x = 133,698,424.55
5. Step 5: Solve for x
   x = 133,698,424.55/11,941.30
6. Step 6: Final answer
   x = 11,196.30