Finding the Fourth Proportional to 11,017.94, 16,528.73 and 3,620.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,017.94 : 16,528.73 = 3,620.76 : x
2. Step 2: Convert to fraction form
   11,017.94/16,528.73 = 3,620.76/x
3. Step 3: Cross multiply
   11,017.94x = 16,528.73 × 3,620.76
4. Step 4: Simplify right side
   11,017.94x = 59,846,546.33
5. Step 5: Solve for x
   x = 59,846,546.33/11,017.94
6. Step 6: Final answer
   x = 5,431.74