Finding the Fourth Proportional to 9,284.54, 12,810.83 and 5,304.87

Step by Step Solution

1. Step 1: Write the proportion equation
   9,284.54 : 12,810.83 = 5,304.87 : x
2. Step 2: Convert to fraction form
   9,284.54/12,810.83 = 5,304.87/x
3. Step 3: Cross multiply
   9,284.54x = 12,810.83 × 5,304.87
4. Step 4: Simplify right side
   9,284.54x = 67,959,761.22
5. Step 5: Solve for x
   x = 67,959,761.22/9,284.54
6. Step 6: Final answer
   x = 7,319.67