Finding the Fourth Proportional to 11,665.28, 16,101.60 and 7,941.44

Step by Step Solution

1. Step 1: Write the proportion equation
   11,665.28 : 16,101.60 = 7,941.44 : x
2. Step 2: Convert to fraction form
   11,665.28/16,101.60 = 7,941.44/x
3. Step 3: Cross multiply
   11,665.28x = 16,101.60 × 7,941.44
4. Step 4: Simplify right side
   11,665.28x = 127,869,890.30
5. Step 5: Solve for x
   x = 127,869,890.30/11,665.28
6. Step 6: Final answer
   x = 10,961.58