Finding the Fourth Proportional to 6,982.32, 9,624.35 and 5,721.15

Step by Step Solution

1. Step 1: Write the proportion equation
   6,982.32 : 9,624.35 = 5,721.15 : x
2. Step 2: Convert to fraction form
   6,982.32/9,624.35 = 5,721.15/x
3. Step 3: Cross multiply
   6,982.32x = 9,624.35 × 5,721.15
4. Step 4: Simplify right side
   6,982.32x = 55,062,364.31
5. Step 5: Solve for x
   x = 55,062,364.31/6,982.32
6. Step 6: Final answer
   x = 7,885.97