Finding the Fourth Proportional to 6,491.30, 8,958.12 and 3,838.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,491.30 : 8,958.12 = 3,838.72 : x
2. Step 2: Convert to fraction form
   6,491.30/8,958.12 = 3,838.72/x
3. Step 3: Cross multiply
   6,491.30x = 8,958.12 × 3,838.72
4. Step 4: Simplify right side
   6,491.30x = 34,387,714.41
5. Step 5: Solve for x
   x = 34,387,714.41/6,491.30
6. Step 6: Final answer
   x = 5,297.51