Finding the Fourth Proportional to 21,863.65, 32,796.50 and 7,073.72

Step by Step Solution

1. Step 1: Write the proportion equation
   21,863.65 : 32,796.50 = 7,073.72 : x
2. Step 2: Convert to fraction form
   21,863.65/32,796.50 = 7,073.72/x
3. Step 3: Cross multiply
   21,863.65x = 32,796.50 × 7,073.72
4. Step 4: Simplify right side
   21,863.65x = 231,993,273.86
5. Step 5: Solve for x
   x = 231,993,273.86/21,863.65
6. Step 6: Final answer
   x = 10,610.91