Finding the Fourth Proportional to 7,014.56, 9,680.81 and 3,870.75

Step by Step Solution

1. Step 1: Write the proportion equation
   7,014.56 : 9,680.81 = 3,870.75 : x
2. Step 2: Convert to fraction form
   7,014.56/9,680.81 = 3,870.75/x
3. Step 3: Cross multiply
   7,014.56x = 9,680.81 × 3,870.75
4. Step 4: Simplify right side
   7,014.56x = 37,471,995.31
5. Step 5: Solve for x
   x = 37,471,995.31/7,014.56
6. Step 6: Final answer
   x = 5,342.03