Finding the Fourth Proportional to 3,814.28, 5,669.98 and 3,702.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,814.28 : 5,669.98 = 3,702.18 : x
2. Step 2: Convert to fraction form
   3,814.28/5,669.98 = 3,702.18/x
3. Step 3: Cross multiply
   3,814.28x = 5,669.98 × 3,702.18
4. Step 4: Simplify right side
   3,814.28x = 20,991,286.56
5. Step 5: Solve for x
   x = 20,991,286.56/3,814.28
6. Step 6: Final answer
   x = 5,503.34