Finding the Fourth Proportional to 5,895.98, 8,139.81 and 3,909.22

Step by Step Solution

1. Step 1: Write the proportion equation
   5,895.98 : 8,139.81 = 3,909.22 : x
2. Step 2: Convert to fraction form
   5,895.98/8,139.81 = 3,909.22/x
3. Step 3: Cross multiply
   5,895.98x = 8,139.81 × 3,909.22
4. Step 4: Simplify right side
   5,895.98x = 31,820,318.22
5. Step 5: Solve for x
   x = 31,820,318.22/5,895.98
6. Step 6: Final answer
   x = 5,396.95