Finding the Fourth Proportional to 21,608.72, 32,393.60 and 7,754.48

Step by Step Solution

1. Step 1: Write the proportion equation
   21,608.72 : 32,393.60 = 7,754.48 : x
2. Step 2: Convert to fraction form
   21,608.72/32,393.60 = 7,754.48/x
3. Step 3: Cross multiply
   21,608.72x = 32,393.60 × 7,754.48
4. Step 4: Simplify right side
   21,608.72x = 251,195,523.33
5. Step 5: Solve for x
   x = 251,195,523.33/21,608.72
6. Step 6: Final answer
   x = 11,624.73