Finding the Fourth Proportional to 10,995.20, 16,495.10 and 3,599.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,995.20 : 16,495.10 = 3,599.07 : x
2. Step 2: Convert to fraction form
   10,995.20/16,495.10 = 3,599.07/x
3. Step 3: Cross multiply
   10,995.20x = 16,495.10 × 3,599.07
4. Step 4: Simplify right side
   10,995.20x = 59,367,001.56
5. Step 5: Solve for x
   x = 59,367,001.56/10,995.20
6. Step 6: Final answer
   x = 5,399.36