Finding the Fourth Proportional to 6,136.60, 8,468.86 and 3,620.18

Step by Step Solution

1. Step 1: Write the proportion equation
   6,136.60 : 8,468.86 = 3,620.18 : x
2. Step 2: Convert to fraction form
   6,136.60/8,468.86 = 3,620.18/x
3. Step 3: Cross multiply
   6,136.60x = 8,468.86 × 3,620.18
4. Step 4: Simplify right side
   6,136.60x = 30,658,797.59
5. Step 5: Solve for x
   x = 30,658,797.59/6,136.60
6. Step 6: Final answer
   x = 4,996.06