Finding the Fourth Proportional to 6,591.72, 9,095.31 and 3,938.16

Step by Step Solution

1. Step 1: Write the proportion equation
   6,591.72 : 9,095.31 = 3,938.16 : x
2. Step 2: Convert to fraction form
   6,591.72/9,095.31 = 3,938.16/x
3. Step 3: Cross multiply
   6,591.72x = 9,095.31 × 3,938.16
4. Step 4: Simplify right side
   6,591.72x = 35,818,786.03
5. Step 5: Solve for x
   x = 35,818,786.03/6,591.72
6. Step 6: Final answer
   x = 5,433.91