Finding the Fourth Proportional to 9,766.27, 13,477.49 and 5,290.01

Step by Step Solution

1. Step 1: Write the proportion equation
   9,766.27 : 13,477.49 = 5,290.01 : x
2. Step 2: Convert to fraction form
   9,766.27/13,477.49 = 5,290.01/x
3. Step 3: Cross multiply
   9,766.27x = 13,477.49 × 5,290.01
4. Step 4: Simplify right side
   9,766.27x = 71,296,033.42
5. Step 5: Solve for x
   x = 71,296,033.42/9,766.27
6. Step 6: Final answer
   x = 7,300.23