Finding the Fourth Proportional to 3,741.98, 5,135.46 and 3,443.90

Step by Step Solution

1. Step 1: Write the proportion equation
   3,741.98 : 5,135.46 = 3,443.90 : x
2. Step 2: Convert to fraction form
   3,741.98/5,135.46 = 3,443.90/x
3. Step 3: Cross multiply
   3,741.98x = 5,135.46 × 3,443.90
4. Step 4: Simplify right side
   3,741.98x = 17,686,010.69
5. Step 5: Solve for x
   x = 17,686,010.69/3,741.98
6. Step 6: Final answer
   x = 4,726.38