Finding the Fourth Proportional to 9,282.37, 12,809.69 and 5,303.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,282.37 : 12,809.69 = 5,303.47 : x
2. Step 2: Convert to fraction form
   9,282.37/12,809.69 = 5,303.47/x
3. Step 3: Cross multiply
   9,282.37x = 12,809.69 × 5,303.47
4. Step 4: Simplify right side
   9,282.37x = 67,935,767.97
5. Step 5: Solve for x
   x = 67,935,767.97/9,282.37
6. Step 6: Final answer
   x = 7,318.80