Finding the Fourth Proportional to 10,679.98, 16,022.50 and 3,660.08

Step by Step Solution

1. Step 1: Write the proportion equation
   10,679.98 : 16,022.50 = 3,660.08 : x
2. Step 2: Convert to fraction form
   10,679.98/16,022.50 = 3,660.08/x
3. Step 3: Cross multiply
   10,679.98x = 16,022.50 × 3,660.08
4. Step 4: Simplify right side
   10,679.98x = 58,643,631.80
5. Step 5: Solve for x
   x = 58,643,631.80/10,679.98
6. Step 6: Final answer
   x = 5,490.99