Finding the Fourth Proportional to 23,005.98, 31,747.55 and 12,934.17

Step by Step Solution

1. Step 1: Write the proportion equation
   23,005.98 : 31,747.55 = 12,934.17 : x
2. Step 2: Convert to fraction form
   23,005.98/31,747.55 = 12,934.17/x
3. Step 3: Cross multiply
   23,005.98x = 31,747.55 × 12,934.17
4. Step 4: Simplify right side
   23,005.98x = 410,628,144.11
5. Step 5: Solve for x
   x = 410,628,144.11/23,005.98
6. Step 6: Final answer
   x = 17,848.76