Finding the Fourth Proportional to 7,114.43, 9,817.98 and 3,970.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,114.43 : 9,817.98 = 3,970.82 : x
2. Step 2: Convert to fraction form
   7,114.43/9,817.98 = 3,970.82/x
3. Step 3: Cross multiply
   7,114.43x = 9,817.98 × 3,970.82
4. Step 4: Simplify right side
   7,114.43x = 38,985,431.34
5. Step 5: Solve for x
   x = 38,985,431.34/7,114.43
6. Step 6: Final answer
   x = 5,479.77