Finding the Fourth Proportional to 11,016.58, 16,521.37 and 3,619.33

Step by Step Solution

1. Step 1: Write the proportion equation
   11,016.58 : 16,521.37 = 3,619.33 : x
2. Step 2: Convert to fraction form
   11,016.58/16,521.37 = 3,619.33/x
3. Step 3: Cross multiply
   11,016.58x = 16,521.37 × 3,619.33
4. Step 4: Simplify right side
   11,016.58x = 59,796,332.66
5. Step 5: Solve for x
   x = 59,796,332.66/11,016.58
6. Step 6: Final answer
   x = 5,427.85