Finding the Fourth Proportional to 3,513.06, 4,849.78 and 2,187.19

Step by Step Solution

1. Step 1: Write the proportion equation
   3,513.06 : 4,849.78 = 2,187.19 : x
2. Step 2: Convert to fraction form
   3,513.06/4,849.78 = 2,187.19/x
3. Step 3: Cross multiply
   3,513.06x = 4,849.78 × 2,187.19
4. Step 4: Simplify right side
   3,513.06x = 10,607,390.32
5. Step 5: Solve for x
   x = 10,607,390.32/3,513.06
6. Step 6: Final answer
   x = 3,019.42