Finding the Fourth Proportional to 11,233.27, 16,836.24 and 7,947.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,233.27 : 16,836.24 = 7,947.31 : x
2. Step 2: Convert to fraction form
   11,233.27/16,836.24 = 7,947.31/x
3. Step 3: Cross multiply
   11,233.27x = 16,836.24 × 7,947.31
4. Step 4: Simplify right side
   11,233.27x = 133,802,818.51
5. Step 5: Solve for x
   x = 133,802,818.51/11,233.27
6. Step 6: Final answer
   x = 11,911.30