Finding the Fourth Proportional to 5,128.98, 7,077.82 and 3,241.59

Step by Step Solution

1. Step 1: Write the proportion equation
   5,128.98 : 7,077.82 = 3,241.59 : x
2. Step 2: Convert to fraction form
   5,128.98/7,077.82 = 3,241.59/x
3. Step 3: Cross multiply
   5,128.98x = 7,077.82 × 3,241.59
4. Step 4: Simplify right side
   5,128.98x = 22,943,390.53
5. Step 5: Solve for x
   x = 22,943,390.53/5,128.98
6. Step 6: Final answer
   x = 4,473.29