Finding the Fourth Proportional to 9,243.72, 12,756.36 and 5,264.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,243.72 : 12,756.36 = 5,264.08 : x
2. Step 2: Convert to fraction form
   9,243.72/12,756.36 = 5,264.08/x
3. Step 3: Cross multiply
   9,243.72x = 12,756.36 × 5,264.08
4. Step 4: Simplify right side
   9,243.72x = 67,150,499.55
5. Step 5: Solve for x
   x = 67,150,499.55/9,243.72
6. Step 6: Final answer
   x = 7,264.45