Finding the Fourth Proportional to 23,564.38, 32,519.30 and 12,955

Step by Step Solution

1. Step 1: Write the proportion equation
   23,564.38 : 32,519.30 = 12,955 : x
2. Step 2: Convert to fraction form
   23,564.38/32,519.30 = 12,955/x
3. Step 3: Cross multiply
   23,564.38x = 32,519.30 × 12,955
4. Step 4: Simplify right side
   23,564.38x = 421,287,531.50
5. Step 5: Solve for x
   x = 421,287,531.50/23,564.38
6. Step 6: Final answer
   x = 17,878.15