Finding the Fourth Proportional to 11,011.61, 16,509.33 and 7,067.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,011.61 : 16,509.33 = 7,067.34 : x
2. Step 2: Convert to fraction form
   11,011.61/16,509.33 = 7,067.34/x
3. Step 3: Cross multiply
   11,011.61x = 16,509.33 × 7,067.34
4. Step 4: Simplify right side
   11,011.61x = 116,677,048.28
5. Step 5: Solve for x
   x = 116,677,048.28/11,011.61
6. Step 6: Final answer
   x = 10,595.82