Finding the Fourth Proportional to 5,548.81, 7,646.83 and 3,974.17

Step by Step Solution

1. Step 1: Write the proportion equation
   5,548.81 : 7,646.83 = 3,974.17 : x
2. Step 2: Convert to fraction form
   5,548.81/7,646.83 = 3,974.17/x
3. Step 3: Cross multiply
   5,548.81x = 7,646.83 × 3,974.17
4. Step 4: Simplify right side
   5,548.81x = 30,389,802.38
5. Step 5: Solve for x
   x = 30,389,802.38/5,548.81
6. Step 6: Final answer
   x = 5,476.81