Finding the Fourth Proportional to 9,150.94, 12,628.27 and 4,959.19

Step by Step Solution

1. Step 1: Write the proportion equation
   9,150.94 : 12,628.27 = 4,959.19 : x
2. Step 2: Convert to fraction form
   9,150.94/12,628.27 = 4,959.19/x
3. Step 3: Cross multiply
   9,150.94x = 12,628.27 × 4,959.19
4. Step 4: Simplify right side
   9,150.94x = 62,625,990.30
5. Step 5: Solve for x
   x = 62,625,990.30/9,150.94
6. Step 6: Final answer
   x = 6,843.67