Finding the Fourth Proportional to 3,818.28, 5,675.94 and 3,706.17

Step by Step Solution

1. Step 1: Write the proportion equation
   3,818.28 : 5,675.94 = 3,706.17 : x
2. Step 2: Convert to fraction form
   3,818.28/5,675.94 = 3,706.17/x
3. Step 3: Cross multiply
   3,818.28x = 5,675.94 × 3,706.17
4. Step 4: Simplify right side
   3,818.28x = 21,035,998.55
5. Step 5: Solve for x
   x = 21,035,998.55/3,818.28
6. Step 6: Final answer
   x = 5,509.29