Finding the Fourth Proportional to 6,158.40, 8,495.69 and 3,638.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,158.40 : 8,495.69 = 3,638.82 : x
2. Step 2: Convert to fraction form
   6,158.40/8,495.69 = 3,638.82/x
3. Step 3: Cross multiply
   6,158.40x = 8,495.69 × 3,638.82
4. Step 4: Simplify right side
   6,158.40x = 30,914,300.35
5. Step 5: Solve for x
   x = 30,914,300.35/6,158.40
6. Step 6: Final answer
   x = 5,019.86