Finding the Fourth Proportional to 11,765.36, 17,644.72 and 5,104.08

Step by Step Solution

1. Step 1: Write the proportion equation
   11,765.36 : 17,644.72 = 5,104.08 : x
2. Step 2: Convert to fraction form
   11,765.36/17,644.72 = 5,104.08/x
3. Step 3: Cross multiply
   11,765.36x = 17,644.72 × 5,104.08
4. Step 4: Simplify right side
   11,765.36x = 90,060,062.46
5. Step 5: Solve for x
   x = 90,060,062.46/11,765.36
6. Step 6: Final answer
   x = 7,654.68