Finding the Fourth Proportional to 12,952.62, 17,831.39 and 12,357.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,952.62 : 17,831.39 = 12,357.50 : x
2. Step 2: Convert to fraction form
   12,952.62/17,831.39 = 12,357.50/x
3. Step 3: Cross multiply
   12,952.62x = 17,831.39 × 12,357.50
4. Step 4: Simplify right side
   12,952.62x = 220,351,250.98
5. Step 5: Solve for x
   x = 220,351,250.98/12,952.62
6. Step 6: Final answer
   x = 17,012.10