Finding the Fourth Proportional to 11,004.76, 16,513.02 and 5,161.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,004.76 : 16,513.02 = 5,161.42 : x
2. Step 2: Convert to fraction form
   11,004.76/16,513.02 = 5,161.42/x
3. Step 3: Cross multiply
   11,004.76x = 16,513.02 × 5,161.42
4. Step 4: Simplify right side
   11,004.76x = 85,230,631.69
5. Step 5: Solve for x
   x = 85,230,631.69/11,004.76
6. Step 6: Final answer
   x = 7,744.89