Finding the Fourth Proportional to 16,833.33, 23,229.81 and 9,280.47

Step by Step Solution

1. Step 1: Write the proportion equation
   16,833.33 : 23,229.81 = 9,280.47 : x
2. Step 2: Convert to fraction form
   16,833.33/23,229.81 = 9,280.47/x
3. Step 3: Cross multiply
   16,833.33x = 23,229.81 × 9,280.47
4. Step 4: Simplify right side
   16,833.33x = 215,583,554.81
5. Step 5: Solve for x
   x = 215,583,554.81/16,833.33
6. Step 6: Final answer
   x = 12,806.95