Finding the Fourth Proportional to 6,290.34, 8,680.07 and 3,771.98

Step by Step Solution

1. Step 1: Write the proportion equation
   6,290.34 : 8,680.07 = 3,771.98 : x
2. Step 2: Convert to fraction form
   6,290.34/8,680.07 = 3,771.98/x
3. Step 3: Cross multiply
   6,290.34x = 8,680.07 × 3,771.98
4. Step 4: Simplify right side
   6,290.34x = 32,741,081.57
5. Step 5: Solve for x
   x = 32,741,081.57/6,290.34
6. Step 6: Final answer
   x = 5,204.98