Finding the Fourth Proportional to 2,836.69, 3,912.71 and 1,840.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,836.69 : 3,912.71 = 1,840.19 : x
2. Step 2: Convert to fraction form
   2,836.69/3,912.71 = 1,840.19/x
3. Step 3: Cross multiply
   2,836.69x = 3,912.71 × 1,840.19
4. Step 4: Simplify right side
   2,836.69x = 7,200,101.05
5. Step 5: Solve for x
   x = 7,200,101.05/2,836.69
6. Step 6: Final answer
   x = 2,538.21