Finding the Fourth Proportional to 7,114.02, 9,817.73 and 3,970.18

Step by Step Solution

1. Step 1: Write the proportion equation
   7,114.02 : 9,817.73 = 3,970.18 : x
2. Step 2: Convert to fraction form
   7,114.02/9,817.73 = 3,970.18/x
3. Step 3: Cross multiply
   7,114.02x = 9,817.73 × 3,970.18
4. Step 4: Simplify right side
   7,114.02x = 38,978,155.29
5. Step 5: Solve for x
   x = 38,978,155.29/7,114.02
6. Step 6: Final answer
   x = 5,479.06