Finding the Fourth Proportional to 5,488.38, 7,564.05 and 3,993.93

Step by Step Solution

1. Step 1: Write the proportion equation
   5,488.38 : 7,564.05 = 3,993.93 : x
2. Step 2: Convert to fraction form
   5,488.38/7,564.05 = 3,993.93/x
3. Step 3: Cross multiply
   5,488.38x = 7,564.05 × 3,993.93
4. Step 4: Simplify right side
   5,488.38x = 30,210,286.22
5. Step 5: Solve for x
   x = 30,210,286.22/5,488.38
6. Step 6: Final answer
   x = 5,504.41