Finding the Fourth Proportional to 16,724.16, 23,060.42 and 10,666.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,724.16 : 23,060.42 = 10,666.30 : x
2. Step 2: Convert to fraction form
   16,724.16/23,060.42 = 10,666.30/x
3. Step 3: Cross multiply
   16,724.16x = 23,060.42 × 10,666.30
4. Step 4: Simplify right side
   16,724.16x = 245,969,326.86
5. Step 5: Solve for x
   x = 245,969,326.86/16,724.16
6. Step 6: Final answer
   x = 14,707.43