Finding the Fourth Proportional to 11,068.86, 16,605.72 and 3,278.28

Step by Step Solution

1. Step 1: Write the proportion equation
   11,068.86 : 16,605.72 = 3,278.28 : x
2. Step 2: Convert to fraction form
   11,068.86/16,605.72 = 3,278.28/x
3. Step 3: Cross multiply
   11,068.86x = 16,605.72 × 3,278.28
4. Step 4: Simplify right side
   11,068.86x = 54,438,183.37
5. Step 5: Solve for x
   x = 54,438,183.37/11,068.86
6. Step 6: Final answer
   x = 4,918.14