Finding the Fourth Proportional to 16,830.38, 23,225.79 and 9,276.71

Step by Step Solution

1. Step 1: Write the proportion equation
   16,830.38 : 23,225.79 = 9,276.71 : x
2. Step 2: Convert to fraction form
   16,830.38/23,225.79 = 9,276.71/x
3. Step 3: Cross multiply
   16,830.38x = 23,225.79 × 9,276.71
4. Step 4: Simplify right side
   16,830.38x = 215,458,802.22
5. Step 5: Solve for x
   x = 215,458,802.22/16,830.38
6. Step 6: Final answer
   x = 12,801.78