Finding the Fourth Proportional to 16,830.10, 23,225.43 and 9,276.49

Step by Step Solution

1. Step 1: Write the proportion equation
   16,830.10 : 23,225.43 = 9,276.49 : x
2. Step 2: Convert to fraction form
   16,830.10/23,225.43 = 9,276.49/x
3. Step 3: Cross multiply
   16,830.10x = 23,225.43 × 9,276.49
4. Step 4: Simplify right side
   16,830.10x = 215,450,469.14
5. Step 5: Solve for x
   x = 215,450,469.14/16,830.10
6. Step 6: Final answer
   x = 12,801.50