Finding the Fourth Proportional to 7,014.72, 9,680.16 and 3,870.84

Step by Step Solution

1. Step 1: Write the proportion equation
   7,014.72 : 9,680.16 = 3,870.84 : x
2. Step 2: Convert to fraction form
   7,014.72/9,680.16 = 3,870.84/x
3. Step 3: Cross multiply
   7,014.72x = 9,680.16 × 3,870.84
4. Step 4: Simplify right side
   7,014.72x = 37,470,350.53
5. Step 5: Solve for x
   x = 37,470,350.53/7,014.72
6. Step 6: Final answer
   x = 5,341.67