Finding the Fourth Proportional to 16,505.10, 22,776.72 and 9,334.89

Step by Step Solution

1. Step 1: Write the proportion equation
   16,505.10 : 22,776.72 = 9,334.89 : x
2. Step 2: Convert to fraction form
   16,505.10/22,776.72 = 9,334.89/x
3. Step 3: Cross multiply
   16,505.10x = 22,776.72 × 9,334.89
4. Step 4: Simplify right side
   16,505.10x = 212,618,175.76
5. Step 5: Solve for x
   x = 212,618,175.76/16,505.10
6. Step 6: Final answer
   x = 12,881.97