Finding the Fourth Proportional to 10,681.06, 16,016.30 and 3,659.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,681.06 : 16,016.30 = 3,659.10 : x
2. Step 2: Convert to fraction form
   10,681.06/16,016.30 = 3,659.10/x
3. Step 3: Cross multiply
   10,681.06x = 16,016.30 × 3,659.10
4. Step 4: Simplify right side
   10,681.06x = 58,605,243.33
5. Step 5: Solve for x
   x = 58,605,243.33/10,681.06
6. Step 6: Final answer
   x = 5,486.84