Finding the Fourth Proportional to 23,200.22, 32,016.16 and 12,589.63

Step by Step Solution

1. Step 1: Write the proportion equation
   23,200.22 : 32,016.16 = 12,589.63 : x
2. Step 2: Convert to fraction form
   23,200.22/32,016.16 = 12,589.63/x
3. Step 3: Cross multiply
   23,200.22x = 32,016.16 × 12,589.63
4. Step 4: Simplify right side
   23,200.22x = 403,071,544.12
5. Step 5: Solve for x
   x = 403,071,544.12/23,200.22
6. Step 6: Final answer
   x = 17,373.61