Finding the Fourth Proportional to 10,185.75, 15,278.42 and 3,610.37

Step by Step Solution

1. Step 1: Write the proportion equation
   10,185.75 : 15,278.42 = 3,610.37 : x
2. Step 2: Convert to fraction form
   10,185.75/15,278.42 = 3,610.37/x
3. Step 3: Cross multiply
   10,185.75x = 15,278.42 × 3,610.37
4. Step 4: Simplify right side
   10,185.75x = 55,160,796.44
5. Step 5: Solve for x
   x = 55,160,796.44/10,185.75
6. Step 6: Final answer
   x = 5,415.49