Finding the Fourth Proportional to 16,834.47, 23,231.72 and 9,281.06

Step by Step Solution

1. Step 1: Write the proportion equation
   16,834.47 : 23,231.72 = 9,281.06 : x
2. Step 2: Convert to fraction form
   16,834.47/23,231.72 = 9,281.06/x
3. Step 3: Cross multiply
   16,834.47x = 23,231.72 × 9,281.06
4. Step 4: Simplify right side
   16,834.47x = 215,614,987.22
5. Step 5: Solve for x
   x = 215,614,987.22/16,834.47
6. Step 6: Final answer
   x = 12,807.95