Finding the Fourth Proportional to 9,581.31, 13,223.40 and 5,804.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,581.31 : 13,223.40 = 5,804.37 : x
2. Step 2: Convert to fraction form
   9,581.31/13,223.40 = 5,804.37/x
3. Step 3: Cross multiply
   9,581.31x = 13,223.40 × 5,804.37
4. Step 4: Simplify right side
   9,581.31x = 76,753,506.26
5. Step 5: Solve for x
   x = 76,753,506.26/9,581.31
6. Step 6: Final answer
   x = 8,010.75