Finding the Fourth Proportional to 9,389.49, 12,957.69 and 5,804.97

Step by Step Solution

1. Step 1: Write the proportion equation
   9,389.49 : 12,957.69 = 5,804.97 : x
2. Step 2: Convert to fraction form
   9,389.49/12,957.69 = 5,804.97/x
3. Step 3: Cross multiply
   9,389.49x = 12,957.69 × 5,804.97
4. Step 4: Simplify right side
   9,389.49x = 75,219,001.72
5. Step 5: Solve for x
   x = 75,219,001.72/9,389.49
6. Step 6: Final answer
   x = 8,010.98