Finding the Fourth Proportional to 9,267.02, 12,788.55 and 5,289.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,267.02 : 12,788.55 = 5,289.38 : x
2. Step 2: Convert to fraction form
   9,267.02/12,788.55 = 5,289.38/x
3. Step 3: Cross multiply
   9,267.02x = 12,788.55 × 5,289.38
4. Step 4: Simplify right side
   9,267.02x = 67,643,500.60
5. Step 5: Solve for x
   x = 67,643,500.60/9,267.02
6. Step 6: Final answer
   x = 7,299.38