Finding the Fourth Proportional to 9,283.30, 12,811.86 and 5,304.73

Step by Step Solution

1. Step 1: Write the proportion equation
   9,283.30 : 12,811.86 = 5,304.73 : x
2. Step 2: Convert to fraction form
   9,283.30/12,811.86 = 5,304.73/x
3. Step 3: Cross multiply
   9,283.30x = 12,811.86 × 5,304.73
4. Step 4: Simplify right side
   9,283.30x = 67,963,458.10
5. Step 5: Solve for x
   x = 67,963,458.10/9,283.30
6. Step 6: Final answer
   x = 7,321.05