Finding the Fourth Proportional to 7,952.04, 10,971.72 and 5,431.32

Step by Step Solution

1. Step 1: Write the proportion equation
   7,952.04 : 10,971.72 = 5,431.32 : x
2. Step 2: Convert to fraction form
   7,952.04/10,971.72 = 5,431.32/x
3. Step 3: Cross multiply
   7,952.04x = 10,971.72 × 5,431.32
4. Step 4: Simplify right side
   7,952.04x = 59,590,922.27
5. Step 5: Solve for x
   x = 59,590,922.27/7,952.04
6. Step 6: Final answer
   x = 7,493.79