Finding the Fourth Proportional to 23,200.28, 32,016.12 and 12,589.92

Step by Step Solution

1. Step 1: Write the proportion equation
   23,200.28 : 32,016.12 = 12,589.92 : x
2. Step 2: Convert to fraction form
   23,200.28/32,016.12 = 12,589.92/x
3. Step 3: Cross multiply
   23,200.28x = 32,016.12 × 12,589.92
4. Step 4: Simplify right side
   23,200.28x = 403,080,389.51
5. Step 5: Solve for x
   x = 403,080,389.51/23,200.28
6. Step 6: Final answer
   x = 17,373.95