Finding the Fourth Proportional to 16,589.89, 24,872.64 and 7,820.05

Step by Step Solution

1. Step 1: Write the proportion equation
   16,589.89 : 24,872.64 = 7,820.05 : x
2. Step 2: Convert to fraction form
   16,589.89/24,872.64 = 7,820.05/x
3. Step 3: Cross multiply
   16,589.89x = 24,872.64 × 7,820.05
4. Step 4: Simplify right side
   16,589.89x = 194,505,249.33
5. Step 5: Solve for x
   x = 194,505,249.33/16,589.89
6. Step 6: Final answer
   x = 11,724.32