Finding the Fourth Proportional to 6,162.87, 8,507.90 and 3,806.38

Step by Step Solution

1. Step 1: Write the proportion equation
   6,162.87 : 8,507.90 = 3,806.38 : x
2. Step 2: Convert to fraction form
   6,162.87/8,507.90 = 3,806.38/x
3. Step 3: Cross multiply
   6,162.87x = 8,507.90 × 3,806.38
4. Step 4: Simplify right side
   6,162.87x = 32,384,300.40
5. Step 5: Solve for x
   x = 32,384,300.40/6,162.87
6. Step 6: Final answer
   x = 5,254.74