Finding the Fourth Proportional to 14,300.75, 21,461.15 and 9,629.69

Step by Step Solution

1. Step 1: Write the proportion equation
   14,300.75 : 21,461.15 = 9,629.69 : x
2. Step 2: Convert to fraction form
   14,300.75/21,461.15 = 9,629.69/x
3. Step 3: Cross multiply
   14,300.75x = 21,461.15 × 9,629.69
4. Step 4: Simplify right side
   14,300.75x = 206,664,138.31
5. Step 5: Solve for x
   x = 206,664,138.31/14,300.75
6. Step 6: Final answer
   x = 14,451.28