Finding the Fourth Proportional to 10,828.38, 16,234.83 and 7,309.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,828.38 : 16,234.83 = 7,309.59 : x
2. Step 2: Convert to fraction form
   10,828.38/16,234.83 = 7,309.59/x
3. Step 3: Cross multiply
   10,828.38x = 16,234.83 × 7,309.59
4. Step 4: Simplify right side
   10,828.38x = 118,669,981.46
5. Step 5: Solve for x
   x = 118,669,981.46/10,828.38
6. Step 6: Final answer
   x = 10,959.16