Finding the Fourth Proportional to 6,409.98, 8,843.31 and 3,756.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,409.98 : 8,843.31 = 3,756.42 : x
2. Step 2: Convert to fraction form
   6,409.98/8,843.31 = 3,756.42/x
3. Step 3: Cross multiply
   6,409.98x = 8,843.31 × 3,756.42
4. Step 4: Simplify right side
   6,409.98x = 33,219,186.55
5. Step 5: Solve for x
   x = 33,219,186.55/6,409.98
6. Step 6: Final answer
   x = 5,182.42