Finding the Fourth Proportional to 3,616.50, 5,425.59 and 1,860.84

Step by Step Solution

1. Step 1: Write the proportion equation
   3,616.50 : 5,425.59 = 1,860.84 : x
2. Step 2: Convert to fraction form
   3,616.50/5,425.59 = 1,860.84/x
3. Step 3: Cross multiply
   3,616.50x = 5,425.59 × 1,860.84
4. Step 4: Simplify right side
   3,616.50x = 10,096,154.90
5. Step 5: Solve for x
   x = 10,096,154.90/3,616.50
6. Step 6: Final answer
   x = 2,791.69