Finding the Fourth Proportional to 21,748.22, 32,627.51 and 7,709.47

Step by Step Solution

1. Step 1: Write the proportion equation
   21,748.22 : 32,627.51 = 7,709.47 : x
2. Step 2: Convert to fraction form
   21,748.22/32,627.51 = 7,709.47/x
3. Step 3: Cross multiply
   21,748.22x = 32,627.51 × 7,709.47
4. Step 4: Simplify right side
   21,748.22x = 251,540,607.83
5. Step 5: Solve for x
   x = 251,540,607.83/21,748.22
6. Step 6: Final answer
   x = 11,566.03