Finding the Fourth Proportional to 16,501.78, 22,771.05 and 9,426.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,501.78 : 22,771.05 = 9,426.82 : x
2. Step 2: Convert to fraction form
   16,501.78/22,771.05 = 9,426.82/x
3. Step 3: Cross multiply
   16,501.78x = 22,771.05 × 9,426.82
4. Step 4: Simplify right side
   16,501.78x = 214,658,589.56
5. Step 5: Solve for x
   x = 214,658,589.56/16,501.78
6. Step 6: Final answer
   x = 13,008.21