Finding the Fourth Proportional to 3,895.83, 5,815.98 and 3,759.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,895.83 : 5,815.98 = 3,759.12 : x
2. Step 2: Convert to fraction form
   3,895.83/5,815.98 = 3,759.12/x
3. Step 3: Cross multiply
   3,895.83x = 5,815.98 × 3,759.12
4. Step 4: Simplify right side
   3,895.83x = 21,862,966.74
5. Step 5: Solve for x
   x = 21,862,966.74/3,895.83
6. Step 6: Final answer
   x = 5,611.89