Finding the Fourth Proportional to 16,881.71, 23,295.56 and 9,327.96

Step by Step Solution

1. Step 1: Write the proportion equation
   16,881.71 : 23,295.56 = 9,327.96 : x
2. Step 2: Convert to fraction form
   16,881.71/23,295.56 = 9,327.96/x
3. Step 3: Cross multiply
   16,881.71x = 23,295.56 × 9,327.96
4. Step 4: Simplify right side
   16,881.71x = 217,300,051.86
5. Step 5: Solve for x
   x = 217,300,051.86/16,881.71
6. Step 6: Final answer
   x = 12,871.92