Finding the Fourth Proportional to 7,003.91, 9,665.27 and 3,817.23

Step by Step Solution

1. Step 1: Write the proportion equation
   7,003.91 : 9,665.27 = 3,817.23 : x
2. Step 2: Convert to fraction form
   7,003.91/9,665.27 = 3,817.23/x
3. Step 3: Cross multiply
   7,003.91x = 9,665.27 × 3,817.23
4. Step 4: Simplify right side
   7,003.91x = 36,894,558.60
5. Step 5: Solve for x
   x = 36,894,558.60/7,003.91
6. Step 6: Final answer
   x = 5,267.71