Finding the Fourth Proportional to 11,059.12, 16,590.49 and 3,268.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,059.12 : 16,590.49 = 3,268.72 : x
2. Step 2: Convert to fraction form
   11,059.12/16,590.49 = 3,268.72/x
3. Step 3: Cross multiply
   11,059.12x = 16,590.49 × 3,268.72
4. Step 4: Simplify right side
   11,059.12x = 54,229,666.47
5. Step 5: Solve for x
   x = 54,229,666.47/11,059.12
6. Step 6: Final answer
   x = 4,903.61