Finding the Fourth Proportional to 5,190.58, 7,775.37 and 3,943.38

Step by Step Solution

1. Step 1: Write the proportion equation
   5,190.58 : 7,775.37 = 3,943.38 : x
2. Step 2: Convert to fraction form
   5,190.58/7,775.37 = 3,943.38/x
3. Step 3: Cross multiply
   5,190.58x = 7,775.37 × 3,943.38
4. Step 4: Simplify right side
   5,190.58x = 30,661,238.55
5. Step 5: Solve for x
   x = 30,661,238.55/5,190.58
6. Step 6: Final answer
   x = 5,907.10