Finding the Fourth Proportional to 7,114.22, 9,817.63 and 3,970.41

Step by Step Solution

1. Step 1: Write the proportion equation
   7,114.22 : 9,817.63 = 3,970.41 : x
2. Step 2: Convert to fraction form
   7,114.22/9,817.63 = 3,970.41/x
3. Step 3: Cross multiply
   7,114.22x = 9,817.63 × 3,970.41
4. Step 4: Simplify right side
   7,114.22x = 38,980,016.33
5. Step 5: Solve for x
   x = 38,980,016.33/7,114.22
6. Step 6: Final answer
   x = 5,479.17