Finding the Fourth Proportional to 9,243.99, 12,756.15 and 5,265.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,243.99 : 12,756.15 = 5,265.54 : x
2. Step 2: Convert to fraction form
   9,243.99/12,756.15 = 5,265.54/x
3. Step 3: Cross multiply
   9,243.99x = 12,756.15 × 5,265.54
4. Step 4: Simplify right side
   9,243.99x = 67,168,018.07
5. Step 5: Solve for x
   x = 67,168,018.07/9,243.99
6. Step 6: Final answer
   x = 7,266.13