Finding the Fourth Proportional to 11,305.72, 16,961.46 and 3,514.60

Step by Step Solution

1. Step 1: Write the proportion equation
   11,305.72 : 16,961.46 = 3,514.60 : x
2. Step 2: Convert to fraction form
   11,305.72/16,961.46 = 3,514.60/x
3. Step 3: Cross multiply
   11,305.72x = 16,961.46 × 3,514.60
4. Step 4: Simplify right side
   11,305.72x = 59,612,747.32
5. Step 5: Solve for x
   x = 59,612,747.32/11,305.72
6. Step 6: Final answer
   x = 5,272.80