Finding the Fourth Proportional to 11,036.58, 16,555.49 and 3,540.81

Step by Step Solution

1. Step 1: Write the proportion equation
   11,036.58 : 16,555.49 = 3,540.81 : x
2. Step 2: Convert to fraction form
   11,036.58/16,555.49 = 3,540.81/x
3. Step 3: Cross multiply
   11,036.58x = 16,555.49 × 3,540.81
4. Step 4: Simplify right side
   11,036.58x = 58,619,826.84
5. Step 5: Solve for x
   x = 58,619,826.84/11,036.58
6. Step 6: Final answer
   x = 5,311.41