Finding the Fourth Proportional to 9,150.84, 12,628.17 and 4,959.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,150.84 : 12,628.17 = 4,959.09 : x
2. Step 2: Convert to fraction form
   9,150.84/12,628.17 = 4,959.09/x
3. Step 3: Cross multiply
   9,150.84x = 12,628.17 × 4,959.09
4. Step 4: Simplify right side
   9,150.84x = 62,624,231.57
5. Step 5: Solve for x
   x = 62,624,231.57/9,150.84
6. Step 6: Final answer
   x = 6,843.55