Finding the Fourth Proportional to 12,065.58, 16,561.71 and 10,709.64

Step by Step Solution

1. Step 1: Write the proportion equation
   12,065.58 : 16,561.71 = 10,709.64 : x
2. Step 2: Convert to fraction form
   12,065.58/16,561.71 = 10,709.64/x
3. Step 3: Cross multiply
   12,065.58x = 16,561.71 × 10,709.64
4. Step 4: Simplify right side
   12,065.58x = 177,369,951.88
5. Step 5: Solve for x
   x = 177,369,951.88/12,065.58
6. Step 6: Final answer
   x = 14,700.49