Finding the Fourth Proportional to 23,200.16, 32,016.30 and 12,589.79

Step by Step Solution

1. Step 1: Write the proportion equation
   23,200.16 : 32,016.30 = 12,589.79 : x
2. Step 2: Convert to fraction form
   23,200.16/32,016.30 = 12,589.79/x
3. Step 3: Cross multiply
   23,200.16x = 32,016.30 × 12,589.79
4. Step 4: Simplify right side
   23,200.16x = 403,078,270.55
5. Step 5: Solve for x
   x = 403,078,270.55/23,200.16
6. Step 6: Final answer
   x = 17,373.95