Finding the Fourth Proportional to 9,243.30, 12,755.67 and 5,264.40

Step by Step Solution

1. Step 1: Write the proportion equation
   9,243.30 : 12,755.67 = 5,264.40 : x
2. Step 2: Convert to fraction form
   9,243.30/12,755.67 = 5,264.40/x
3. Step 3: Cross multiply
   9,243.30x = 12,755.67 × 5,264.40
4. Step 4: Simplify right side
   9,243.30x = 67,150,949.15
5. Step 5: Solve for x
   x = 67,150,949.15/9,243.30
6. Step 6: Final answer
   x = 7,264.82