Finding the Fourth Proportional to 7,014.06, 9,679.32 and 3,870.18

Step by Step Solution

1. Step 1: Write the proportion equation
   7,014.06 : 9,679.32 = 3,870.18 : x
2. Step 2: Convert to fraction form
   7,014.06/9,679.32 = 3,870.18/x
3. Step 3: Cross multiply
   7,014.06x = 9,679.32 × 3,870.18
4. Step 4: Simplify right side
   7,014.06x = 37,460,710.68
5. Step 5: Solve for x
   x = 37,460,710.68/7,014.06
6. Step 6: Final answer
   x = 5,340.80