Finding the Fourth Proportional to 11,022.05, 16,535.87 and 5,103.20

Step by Step Solution

1. Step 1: Write the proportion equation
   11,022.05 : 16,535.87 = 5,103.20 : x
2. Step 2: Convert to fraction form
   11,022.05/16,535.87 = 5,103.20/x
3. Step 3: Cross multiply
   11,022.05x = 16,535.87 × 5,103.20
4. Step 4: Simplify right side
   11,022.05x = 84,385,826.27
5. Step 5: Solve for x
   x = 84,385,826.27/11,022.05
6. Step 6: Final answer
   x = 7,656.10