Finding the Fourth Proportional to 11,016.96, 16,521.93 and 3,619.71

Step by Step Solution

1. Step 1: Write the proportion equation
   11,016.96 : 16,521.93 = 3,619.71 : x
2. Step 2: Convert to fraction form
   11,016.96/16,521.93 = 3,619.71/x
3. Step 3: Cross multiply
   11,016.96x = 16,521.93 × 3,619.71
4. Step 4: Simplify right side
   11,016.96x = 59,804,595.24
5. Step 5: Solve for x
   x = 59,804,595.24/11,016.96
6. Step 6: Final answer
   x = 5,428.41