Finding the Fourth Proportional to 9,267.94, 12,790.83 and 5,289.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,267.94 : 12,790.83 = 5,289.63 : x
2. Step 2: Convert to fraction form
   9,267.94/12,790.83 = 5,289.63/x
3. Step 3: Cross multiply
   9,267.94x = 12,790.83 × 5,289.63
4. Step 4: Simplify right side
   9,267.94x = 67,658,758.09
5. Step 5: Solve for x
   x = 67,658,758.09/9,267.94
6. Step 6: Final answer
   x = 7,300.30