Finding the Fourth Proportional to 6,870.56, 10,303.82 and 3,581.96

Step by Step Solution

1. Step 1: Write the proportion equation
   6,870.56 : 10,303.82 = 3,581.96 : x
2. Step 2: Convert to fraction form
   6,870.56/10,303.82 = 3,581.96/x
3. Step 3: Cross multiply
   6,870.56x = 10,303.82 × 3,581.96
4. Step 4: Simplify right side
   6,870.56x = 36,907,871.09
5. Step 5: Solve for x
   x = 36,907,871.09/6,870.56
6. Step 6: Final answer
   x = 5,371.89