Finding the Fourth Proportional to 6,678.42, 9,216.03 and 3,694.15

Step by Step Solution

1. Step 1: Write the proportion equation
   6,678.42 : 9,216.03 = 3,694.15 : x
2. Step 2: Convert to fraction form
   6,678.42/9,216.03 = 3,694.15/x
3. Step 3: Cross multiply
   6,678.42x = 9,216.03 × 3,694.15
4. Step 4: Simplify right side
   6,678.42x = 34,045,397.22
5. Step 5: Solve for x
   x = 34,045,397.22/6,678.42
6. Step 6: Final answer
   x = 5,097.83