Finding the Fourth Proportional to 21,422.22, 32,134.69 and 6,629.89

Step by Step Solution

1. Step 1: Write the proportion equation
   21,422.22 : 32,134.69 = 6,629.89 : x
2. Step 2: Convert to fraction form
   21,422.22/32,134.69 = 6,629.89/x
3. Step 3: Cross multiply
   21,422.22x = 32,134.69 × 6,629.89
4. Step 4: Simplify right side
   21,422.22x = 213,049,483.48
5. Step 5: Solve for x
   x = 213,049,483.48/21,422.22
6. Step 6: Final answer
   x = 9,945.26