Finding the Fourth Proportional to 11,828, 16,322.76 and 7,112.36

Step by Step Solution

1. Step 1: Write the proportion equation
   11,828 : 16,322.76 = 7,112.36 : x
2. Step 2: Convert to fraction form
   11,828/16,322.76 = 7,112.36/x
3. Step 3: Cross multiply
   11,828x = 16,322.76 × 7,112.36
4. Step 4: Simplify right side
   11,828x = 116,093,345.31
5. Step 5: Solve for x
   x = 116,093,345.31/11,828
6. Step 6: Final answer
   x = 9,815.13