Finding the Fourth Proportional to 10,681.56, 16,017.04 and 3,659.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,681.56 : 16,017.04 = 3,659.60 : x
2. Step 2: Convert to fraction form
   10,681.56/16,017.04 = 3,659.60/x
3. Step 3: Cross multiply
   10,681.56x = 16,017.04 × 3,659.60
4. Step 4: Simplify right side
   10,681.56x = 58,615,959.58
5. Step 5: Solve for x
   x = 58,615,959.58/10,681.56
6. Step 6: Final answer
   x = 5,487.58