Finding the Fourth Proportional to 9,264.69, 12,784.07 and 5,285.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,264.69 : 12,784.07 = 5,285.56 : x
2. Step 2: Convert to fraction form
   9,264.69/12,784.07 = 5,285.56/x
3. Step 3: Cross multiply
   9,264.69x = 12,784.07 × 5,285.56
4. Step 4: Simplify right side
   9,264.69x = 67,570,969.03
5. Step 5: Solve for x
   x = 67,570,969.03/9,264.69
6. Step 6: Final answer
   x = 7,293.39