Finding the Fourth Proportional to 16,834.39, 23,231.27 and 9,280.53

Step by Step Solution

1. Step 1: Write the proportion equation
   16,834.39 : 23,231.27 = 9,280.53 : x
2. Step 2: Convert to fraction form
   16,834.39/23,231.27 = 9,280.53/x
3. Step 3: Cross multiply
   16,834.39x = 23,231.27 × 9,280.53
4. Step 4: Simplify right side
   16,834.39x = 215,598,521.37
5. Step 5: Solve for x
   x = 215,598,521.37/16,834.39
6. Step 6: Final answer
   x = 12,807.03