Finding the Fourth Proportional to 16,005.72, 24,020.41 and 7,690.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,005.72 : 24,020.41 = 7,690.56 : x
2. Step 2: Convert to fraction form
   16,005.72/24,020.41 = 7,690.56/x
3. Step 3: Cross multiply
   16,005.72x = 24,020.41 × 7,690.56
4. Step 4: Simplify right side
   16,005.72x = 184,730,404.33
5. Step 5: Solve for x
   x = 184,730,404.33/16,005.72
6. Step 6: Final answer
   x = 11,541.52