Finding the Fourth Proportional to 16,835.06, 23,231.46 and 9,281.38

Step by Step Solution

1. Step 1: Write the proportion equation
   16,835.06 : 23,231.46 = 9,281.38 : x
2. Step 2: Convert to fraction form
   16,835.06/23,231.46 = 9,281.38/x
3. Step 3: Cross multiply
   16,835.06x = 23,231.46 × 9,281.38
4. Step 4: Simplify right side
   16,835.06x = 215,620,008.21
5. Step 5: Solve for x
   x = 215,620,008.21/16,835.06
6. Step 6: Final answer
   x = 12,807.80