Finding the Fourth Proportional to 16,516.21, 22,783.89 and 10,456.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,516.21 : 22,783.89 = 10,456.16 : x
2. Step 2: Convert to fraction form
   16,516.21/22,783.89 = 10,456.16/x
3. Step 3: Cross multiply
   16,516.21x = 22,783.89 × 10,456.16
4. Step 4: Simplify right side
   16,516.21x = 238,231,999.26
5. Step 5: Solve for x
   x = 238,231,999.26/16,516.21
6. Step 6: Final answer
   x = 14,424.13