Finding the Fourth Proportional to 11,147.10, 16,072.56 and 11,147.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,147.10 : 16,072.56 = 11,147.10 : x
2. Step 2: Convert to fraction form
   11,147.10/16,072.56 = 11,147.10/x
3. Step 3: Cross multiply
   11,147.10x = 16,072.56 × 11,147.10
4. Step 4: Simplify right side
   11,147.10x = 179,162,433.58
5. Step 5: Solve for x
   x = 179,162,433.58/11,147.10
6. Step 6: Final answer
   x = 16,072.56