Finding the Fourth Proportional to 6,691.69, 9,233.79 and 3,706.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,691.69 : 9,233.79 = 3,706.78 : x
2. Step 2: Convert to fraction form
   6,691.69/9,233.79 = 3,706.78/x
3. Step 3: Cross multiply
   6,691.69x = 9,233.79 × 3,706.78
4. Step 4: Simplify right side
   6,691.69x = 34,227,628.10
5. Step 5: Solve for x
   x = 34,227,628.10/6,691.69
6. Step 6: Final answer
   x = 5,114.95