Finding the Fourth Proportional to 11,009.52, 16,504.56 and 7,743.60

Step by Step Solution

1. Step 1: Write the proportion equation
   11,009.52 : 16,504.56 = 7,743.60 : x
2. Step 2: Convert to fraction form
   11,009.52/16,504.56 = 7,743.60/x
3. Step 3: Cross multiply
   11,009.52x = 16,504.56 × 7,743.60
4. Step 4: Simplify right side
   11,009.52x = 127,804,710.82
5. Step 5: Solve for x
   x = 127,804,710.82/11,009.52
6. Step 6: Final answer
   x = 11,608.56