Finding the Fourth Proportional to 11,693.72, 17,520.74 and 7,067

Step by Step Solution

1. Step 1: Write the proportion equation
   11,693.72 : 17,520.74 = 7,067 : x
2. Step 2: Convert to fraction form
   11,693.72/17,520.74 = 7,067/x
3. Step 3: Cross multiply
   11,693.72x = 17,520.74 × 7,067
4. Step 4: Simplify right side
   11,693.72x = 123,819,069.58
5. Step 5: Solve for x
   x = 123,819,069.58/11,693.72
6. Step 6: Final answer
   x = 10,588.51