Finding the Fourth Proportional to 6,680.79, 9,216.57 and 4,026.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,680.79 : 9,216.57 = 4,026.69 : x
2. Step 2: Convert to fraction form
   6,680.79/9,216.57 = 4,026.69/x
3. Step 3: Cross multiply
   6,680.79x = 9,216.57 × 4,026.69
4. Step 4: Simplify right side
   6,680.79x = 37,112,270.25
5. Step 5: Solve for x
   x = 37,112,270.25/6,680.79
6. Step 6: Final answer
   x = 5,555.07