Finding the Fourth Proportional to 7,373.71, 10,165.76 and 7,144.39

Step by Step Solution

1. Step 1: Write the proportion equation
   7,373.71 : 10,165.76 = 7,144.39 : x
2. Step 2: Convert to fraction form
   7,373.71/10,165.76 = 7,144.39/x
3. Step 3: Cross multiply
   7,373.71x = 10,165.76 × 7,144.39
4. Step 4: Simplify right side
   7,373.71x = 72,628,103.26
5. Step 5: Solve for x
   x = 72,628,103.26/7,373.71
6. Step 6: Final answer
   x = 9,849.61