Finding the Fourth Proportional to 16,833.40, 23,229.05 and 9,279.34

Step by Step Solution

1. Step 1: Write the proportion equation
   16,833.40 : 23,229.05 = 9,279.34 : x
2. Step 2: Convert to fraction form
   16,833.40/23,229.05 = 9,279.34/x
3. Step 3: Cross multiply
   16,833.40x = 23,229.05 × 9,279.34
4. Step 4: Simplify right side
   16,833.40x = 215,550,252.83
5. Step 5: Solve for x
   x = 215,550,252.83/16,833.40
6. Step 6: Final answer
   x = 12,804.91