Finding the Fourth Proportional to 11,313.83, 16,963.92 and 5,072.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,313.83 : 16,963.92 = 5,072.72 : x
2. Step 2: Convert to fraction form
   11,313.83/16,963.92 = 5,072.72/x
3. Step 3: Cross multiply
   11,313.83x = 16,963.92 × 5,072.72
4. Step 4: Simplify right side
   11,313.83x = 86,053,131.44
5. Step 5: Solve for x
   x = 86,053,131.44/11,313.83
6. Step 6: Final answer
   x = 7,606.02