Finding the Fourth Proportional to 16,381.75, 22,606.88 and 9,308.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,381.75 : 22,606.88 = 9,308.56 : x
2. Step 2: Convert to fraction form
   16,381.75/22,606.88 = 9,308.56/x
3. Step 3: Cross multiply
   16,381.75x = 22,606.88 × 9,308.56
4. Step 4: Simplify right side
   16,381.75x = 210,437,498.89
5. Step 5: Solve for x
   x = 210,437,498.89/16,381.75
6. Step 6: Final answer
   x = 12,845.85