Finding the Fourth Proportional to 21,085.56, 31,633.83 and 6,294.49

Step by Step Solution

1. Step 1: Write the proportion equation
   21,085.56 : 31,633.83 = 6,294.49 : x
2. Step 2: Convert to fraction form
   21,085.56/31,633.83 = 6,294.49/x
3. Step 3: Cross multiply
   21,085.56x = 31,633.83 × 6,294.49
4. Step 4: Simplify right side
   21,085.56x = 199,118,668.43
5. Step 5: Solve for x
   x = 199,118,668.43/21,085.56
6. Step 6: Final answer
   x = 9,443.37