Finding the Fourth Proportional to 9,766.73, 13,477.29 and 5,518.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,766.73 : 13,477.29 = 5,518.16 : x
2. Step 2: Convert to fraction form
   9,766.73/13,477.29 = 5,518.16/x
3. Step 3: Cross multiply
   9,766.73x = 13,477.29 × 5,518.16
4. Step 4: Simplify right side
   9,766.73x = 74,369,858.47
5. Step 5: Solve for x
   x = 74,369,858.47/9,766.73
6. Step 6: Final answer
   x = 7,614.61