Finding the Fourth Proportional to 5,540.69, 7,645.86 and 3,022.81

Step by Step Solution

1. Step 1: Write the proportion equation
   5,540.69 : 7,645.86 = 3,022.81 : x
2. Step 2: Convert to fraction form
   5,540.69/7,645.86 = 3,022.81/x
3. Step 3: Cross multiply
   5,540.69x = 7,645.86 × 3,022.81
4. Step 4: Simplify right side
   5,540.69x = 23,111,982.07
5. Step 5: Solve for x
   x = 23,111,982.07/5,540.69
6. Step 6: Final answer
   x = 4,171.32