Finding the Fourth Proportional to 6,137.96, 8,470.32 and 3,620.18

Step by Step Solution

1. Step 1: Write the proportion equation
   6,137.96 : 8,470.32 = 3,620.18 : x
2. Step 2: Convert to fraction form
   6,137.96/8,470.32 = 3,620.18/x
3. Step 3: Cross multiply
   6,137.96x = 8,470.32 × 3,620.18
4. Step 4: Simplify right side
   6,137.96x = 30,664,040.71
5. Step 5: Solve for x
   x = 30,664,040.71/6,137.96
6. Step 6: Final answer
   x = 4,995.81