Finding the Fourth Proportional to 6,289.34, 8,679.52 and 3,771.86

Step by Step Solution

1. Step 1: Write the proportion equation
   6,289.34 : 8,679.52 = 3,771.86 : x
2. Step 2: Convert to fraction form
   6,289.34/8,679.52 = 3,771.86/x
3. Step 3: Cross multiply
   6,289.34x = 8,679.52 × 3,771.86
4. Step 4: Simplify right side
   6,289.34x = 32,737,934.31
5. Step 5: Solve for x
   x = 32,737,934.31/6,289.34
6. Step 6: Final answer
   x = 5,205.31