Finding the Fourth Proportional to 7,241.47, 9,979.56 and 5,804.20

Step by Step Solution

1. Step 1: Write the proportion equation
   7,241.47 : 9,979.56 = 5,804.20 : x
2. Step 2: Convert to fraction form
   7,241.47/9,979.56 = 5,804.20/x
3. Step 3: Cross multiply
   7,241.47x = 9,979.56 × 5,804.20
4. Step 4: Simplify right side
   7,241.47x = 57,923,362.15
5. Step 5: Solve for x
   x = 57,923,362.15/7,241.47
6. Step 6: Final answer
   x = 7,998.84