Finding the Fourth Proportional to 6,730.63, 9,288.71 and 4,078.29

Step by Step Solution

1. Step 1: Write the proportion equation
   6,730.63 : 9,288.71 = 4,078.29 : x
2. Step 2: Convert to fraction form
   6,730.63/9,288.71 = 4,078.29/x
3. Step 3: Cross multiply
   6,730.63x = 9,288.71 × 4,078.29
4. Step 4: Simplify right side
   6,730.63x = 37,882,053.11
5. Step 5: Solve for x
   x = 37,882,053.11/6,730.63
6. Step 6: Final answer
   x = 5,628.31