Finding the Fourth Proportional to 16,431.86, 24,659.67 and 6,573.89

Step by Step Solution

1. Step 1: Write the proportion equation
   16,431.86 : 24,659.67 = 6,573.89 : x
2. Step 2: Convert to fraction form
   16,431.86/24,659.67 = 6,573.89/x
3. Step 3: Cross multiply
   16,431.86x = 24,659.67 × 6,573.89
4. Step 4: Simplify right side
   16,431.86x = 162,109,958.02
5. Step 5: Solve for x
   x = 162,109,958.02/16,431.86
6. Step 6: Final answer
   x = 9,865.59