Finding the Fourth Proportional to 11,004.80, 16,507.35 and 3,609.81

Step by Step Solution

1. Step 1: Write the proportion equation
   11,004.80 : 16,507.35 = 3,609.81 : x
2. Step 2: Convert to fraction form
   11,004.80/16,507.35 = 3,609.81/x
3. Step 3: Cross multiply
   11,004.80x = 16,507.35 × 3,609.81
4. Step 4: Simplify right side
   11,004.80x = 59,588,397.10
5. Step 5: Solve for x
   x = 59,588,397.10/11,004.80
6. Step 6: Final answer
   x = 5,414.77