Finding the Fourth Proportional to 23,517.69, 32,454.97 and 12,907.31

Step by Step Solution

1. Step 1: Write the proportion equation
   23,517.69 : 32,454.97 = 12,907.31 : x
2. Step 2: Convert to fraction form
   23,517.69/32,454.97 = 12,907.31/x
3. Step 3: Cross multiply
   23,517.69x = 32,454.97 × 12,907.31
4. Step 4: Simplify right side
   23,517.69x = 418,906,358.83
5. Step 5: Solve for x
   x = 418,906,358.83/23,517.69
6. Step 6: Final answer
   x = 17,812.39