Finding the Fourth Proportional to 23,426.91, 32,329.07 and 12,816.51

Step by Step Solution

1. Step 1: Write the proportion equation
   23,426.91 : 32,329.07 = 12,816.51 : x
2. Step 2: Convert to fraction form
   23,426.91/32,329.07 = 12,816.51/x
3. Step 3: Cross multiply
   23,426.91x = 32,329.07 × 12,816.51
4. Step 4: Simplify right side
   23,426.91x = 414,345,784.86
5. Step 5: Solve for x
   x = 414,345,784.86/23,426.91
6. Step 6: Final answer
   x = 17,686.75