Finding the Fourth Proportional to 3,835.55, 5,290.38 and 3,706.97

Step by Step Solution

1. Step 1: Write the proportion equation
   3,835.55 : 5,290.38 = 3,706.97 : x
2. Step 2: Convert to fraction form
   3,835.55/5,290.38 = 3,706.97/x
3. Step 3: Cross multiply
   3,835.55x = 5,290.38 × 3,706.97
4. Step 4: Simplify right side
   3,835.55x = 19,611,253.50
5. Step 5: Solve for x
   x = 19,611,253.50/3,835.55
6. Step 6: Final answer
   x = 5,113.02