Finding the Fourth Proportional to 16,830.22, 23,225.57 and 9,276.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,830.22 : 23,225.57 = 9,276.56 : x
2. Step 2: Convert to fraction form
   16,830.22/23,225.57 = 9,276.56/x
3. Step 3: Cross multiply
   16,830.22x = 23,225.57 × 9,276.56
4. Step 4: Simplify right side
   16,830.22x = 215,453,535.84
5. Step 5: Solve for x
   x = 215,453,535.84/16,830.22
6. Step 6: Final answer
   x = 12,801.59