Finding the Fourth Proportional to 23,199.97, 32,016.04 and 12,589.60

Step by Step Solution

1. Step 1: Write the proportion equation
   23,199.97 : 32,016.04 = 12,589.60 : x
2. Step 2: Convert to fraction form
   23,199.97/32,016.04 = 12,589.60/x
3. Step 3: Cross multiply
   23,199.97x = 32,016.04 × 12,589.60
4. Step 4: Simplify right side
   23,199.97x = 403,068,929.89
5. Step 5: Solve for x
   x = 403,068,929.89/23,199.97
6. Step 6: Final answer
   x = 17,373.69