Finding the Fourth Proportional to 3,760.49, 5,645.32 and 3,611.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,760.49 : 5,645.32 = 3,611.83 : x
2. Step 2: Convert to fraction form
   3,760.49/5,645.32 = 3,611.83/x
3. Step 3: Cross multiply
   3,760.49x = 5,645.32 × 3,611.83
4. Step 4: Simplify right side
   3,760.49x = 20,389,944.75
5. Step 5: Solve for x
   x = 20,389,944.75/3,760.49
6. Step 6: Final answer
   x = 5,422.16