Finding the Fourth Proportional to 16,500.31, 22,771.63 and 9,426.58

Step by Step Solution

1. Step 1: Write the proportion equation
   16,500.31 : 22,771.63 = 9,426.58 : x
2. Step 2: Convert to fraction form
   16,500.31/22,771.63 = 9,426.58/x
3. Step 3: Cross multiply
   16,500.31x = 22,771.63 × 9,426.58
4. Step 4: Simplify right side
   16,500.31x = 214,658,546.78
5. Step 5: Solve for x
   x = 214,658,546.78/16,500.31
6. Step 6: Final answer
   x = 13,009.37