Finding the Fourth Proportional to 23,339.82, 32,208.62 and 12,729.45

Step by Step Solution

1. Step 1: Write the proportion equation
   23,339.82 : 32,208.62 = 12,729.45 : x
2. Step 2: Convert to fraction form
   23,339.82/32,208.62 = 12,729.45/x
3. Step 3: Cross multiply
   23,339.82x = 32,208.62 × 12,729.45
4. Step 4: Simplify right side
   23,339.82x = 409,998,017.86
5. Step 5: Solve for x
   x = 409,998,017.86/23,339.82
6. Step 6: Final answer
   x = 17,566.46