Finding the Fourth Proportional to 12,215.69, 16,842.88 and 10,323.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,215.69 : 16,842.88 = 10,323.94 : x
2. Step 2: Convert to fraction form
   12,215.69/16,842.88 = 10,323.94/x
3. Step 3: Cross multiply
   12,215.69x = 16,842.88 × 10,323.94
4. Step 4: Simplify right side
   12,215.69x = 173,884,853.34
5. Step 5: Solve for x
   x = 173,884,853.34/12,215.69
6. Step 6: Final answer
   x = 14,234.55