Finding the Fourth Proportional to 11,072.84, 16,591.61 and 7,747.38

Step by Step Solution

1. Step 1: Write the proportion equation
   11,072.84 : 16,591.61 = 7,747.38 : x
2. Step 2: Convert to fraction form
   11,072.84/16,591.61 = 7,747.38/x
3. Step 3: Cross multiply
   11,072.84x = 16,591.61 × 7,747.38
4. Step 4: Simplify right side
   11,072.84x = 128,541,468.74
5. Step 5: Solve for x
   x = 128,541,468.74/11,072.84
6. Step 6: Final answer
   x = 11,608.72