Finding the Fourth Proportional to 9,281.86, 12,809.73 and 5,304.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,281.86 : 12,809.73 = 5,304.22 : x
2. Step 2: Convert to fraction form
   9,281.86/12,809.73 = 5,304.22/x
3. Step 3: Cross multiply
   9,281.86x = 12,809.73 × 5,304.22
4. Step 4: Simplify right side
   9,281.86x = 67,945,626.06
5. Step 5: Solve for x
   x = 67,945,626.06/9,281.86
6. Step 6: Final answer
   x = 7,320.26