Finding the Fourth Proportional to 16,833.89, 23,230.94 and 9,280.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,833.89 : 23,230.94 = 9,280.52 : x
2. Step 2: Convert to fraction form
   16,833.89/23,230.94 = 9,280.52/x
3. Step 3: Cross multiply
   16,833.89x = 23,230.94 × 9,280.52
4. Step 4: Simplify right side
   16,833.89x = 215,595,258.52
5. Step 5: Solve for x
   x = 215,595,258.52/16,833.89
6. Step 6: Final answer
   x = 12,807.21