Finding the Fourth Proportional to 5,019.43, 7,540.68 and 3,542.05

Step by Step Solution

1. Step 1: Write the proportion equation
   5,019.43 : 7,540.68 = 3,542.05 : x
2. Step 2: Convert to fraction form
   5,019.43/7,540.68 = 3,542.05/x
3. Step 3: Cross multiply
   5,019.43x = 7,540.68 × 3,542.05
4. Step 4: Simplify right side
   5,019.43x = 26,709,465.59
5. Step 5: Solve for x
   x = 26,709,465.59/5,019.43
6. Step 6: Final answer
   x = 5,321.21