Finding the Fourth Proportional to 10,185.59, 15,270.16 and 3,608.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,185.59 : 15,270.16 = 3,608.18 : x
2. Step 2: Convert to fraction form
   10,185.59/15,270.16 = 3,608.18/x
3. Step 3: Cross multiply
   10,185.59x = 15,270.16 × 3,608.18
4. Step 4: Simplify right side
   10,185.59x = 55,097,550.46
5. Step 5: Solve for x
   x = 55,097,550.46/10,185.59
6. Step 6: Final answer
   x = 5,409.36