Finding the Fourth Proportional to 23,516.72, 32,451.96 and 12,906.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,516.72 : 32,451.96 = 12,906.12 : x
2. Step 2: Convert to fraction form
   23,516.72/32,451.96 = 12,906.12/x
3. Step 3: Cross multiply
   23,516.72x = 32,451.96 × 12,906.12
4. Step 4: Simplify right side
   23,516.72x = 418,828,890.00
5. Step 5: Solve for x
   x = 418,828,890.00/23,516.72
6. Step 6: Final answer
   x = 17,809.83