Finding the Fourth Proportional to 6,488.72, 8,951.40 and 3,834.32

Step by Step Solution

1. Step 1: Write the proportion equation
   6,488.72 : 8,951.40 = 3,834.32 : x
2. Step 2: Convert to fraction form
   6,488.72/8,951.40 = 3,834.32/x
3. Step 3: Cross multiply
   6,488.72x = 8,951.40 × 3,834.32
4. Step 4: Simplify right side
   6,488.72x = 34,322,532.05
5. Step 5: Solve for x
   x = 34,322,532.05/6,488.72
6. Step 6: Final answer
   x = 5,289.57