Finding the Fourth Proportional to 6,411.81, 9,618.72 and 2,714.07

Step by Step Solution

1. Step 1: Write the proportion equation
   6,411.81 : 9,618.72 = 2,714.07 : x
2. Step 2: Convert to fraction form
   6,411.81/9,618.72 = 2,714.07/x
3. Step 3: Cross multiply
   6,411.81x = 9,618.72 × 2,714.07
4. Step 4: Simplify right side
   6,411.81x = 26,105,879.39
5. Step 5: Solve for x
   x = 26,105,879.39/6,411.81
6. Step 6: Final answer
   x = 4,071.53