Finding the Fourth Proportional to 23,409.86, 32,306.18 and 12,800.30

Step by Step Solution

1. Step 1: Write the proportion equation
   23,409.86 : 32,306.18 = 12,800.30 : x
2. Step 2: Convert to fraction form
   23,409.86/32,306.18 = 12,800.30/x
3. Step 3: Cross multiply
   23,409.86x = 32,306.18 × 12,800.30
4. Step 4: Simplify right side
   23,409.86x = 413,528,570.32
5. Step 5: Solve for x
   x = 413,528,570.32/23,409.86
6. Step 6: Final answer
   x = 17,664.72