Finding the Fourth Proportional to 10,803.30, 16,205.50 and 3,408.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,803.30 : 16,205.50 = 3,408.32 : x
2. Step 2: Convert to fraction form
   10,803.30/16,205.50 = 3,408.32/x
3. Step 3: Cross multiply
   10,803.30x = 16,205.50 × 3,408.32
4. Step 4: Simplify right side
   10,803.30x = 55,233,529.76
5. Step 5: Solve for x
   x = 55,233,529.76/10,803.30
6. Step 6: Final answer
   x = 5,112.65