Finding the Fourth Proportional to 11,003.45, 16,499.10 and 3,604.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,003.45 : 16,499.10 = 3,604.10 : x
2. Step 2: Convert to fraction form
   11,003.45/16,499.10 = 3,604.10/x
3. Step 3: Cross multiply
   11,003.45x = 16,499.10 × 3,604.10
4. Step 4: Simplify right side
   11,003.45x = 59,464,406.31
5. Step 5: Solve for x
   x = 59,464,406.31/11,003.45
6. Step 6: Final answer
   x = 5,404.16