Finding the Fourth Proportional to 2,178.33, 3,267.15 and 1,810.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,178.33 : 3,267.15 = 1,810.49 : x
2. Step 2: Convert to fraction form
   2,178.33/3,267.15 = 1,810.49/x
3. Step 3: Cross multiply
   2,178.33x = 3,267.15 × 1,810.49
4. Step 4: Simplify right side
   2,178.33x = 5,915,151.04
5. Step 5: Solve for x
   x = 5,915,151.04/2,178.33
6. Step 6: Final answer
   x = 2,715.46