Finding the Fourth Proportional to 9,766.17, 13,477.25 and 5,290.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,766.17 : 13,477.25 = 5,290.04 : x
2. Step 2: Convert to fraction form
   9,766.17/13,477.25 = 5,290.04/x
3. Step 3: Cross multiply
   9,766.17x = 13,477.25 × 5,290.04
4. Step 4: Simplify right side
   9,766.17x = 71,295,238.51
5. Step 5: Solve for x
   x = 71,295,238.51/9,766.17
6. Step 6: Final answer
   x = 7,300.23