Finding the Fourth Proportional to 21,044.26, 31,567.78 and 7,003.72

Step by Step Solution

1. Step 1: Write the proportion equation
   21,044.26 : 31,567.78 = 7,003.72 : x
2. Step 2: Convert to fraction form
   21,044.26/31,567.78 = 7,003.72/x
3. Step 3: Cross multiply
   21,044.26x = 31,567.78 × 7,003.72
4. Step 4: Simplify right side
   21,044.26x = 221,091,723.39
5. Step 5: Solve for x
   x = 221,091,723.39/21,044.26
6. Step 6: Final answer
   x = 10,506.04