Finding the Fourth Proportional to 11,012.88, 16,514.20 and 4,085.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,012.88 : 16,514.20 = 4,085.52 : x
2. Step 2: Convert to fraction form
   11,012.88/16,514.20 = 4,085.52/x
3. Step 3: Cross multiply
   11,012.88x = 16,514.20 × 4,085.52
4. Step 4: Simplify right side
   11,012.88x = 67,469,094.38
5. Step 5: Solve for x
   x = 67,469,094.38/11,012.88
6. Step 6: Final answer
   x = 6,126.38