Finding the Fourth Proportional to 2,178.89, 3,006.89 and 1,184.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,178.89 : 3,006.89 = 1,184.18 : x
2. Step 2: Convert to fraction form
   2,178.89/3,006.89 = 1,184.18/x
3. Step 3: Cross multiply
   2,178.89x = 3,006.89 × 1,184.18
4. Step 4: Simplify right side
   2,178.89x = 3,560,678.04
5. Step 5: Solve for x
   x = 3,560,678.04/2,178.89
6. Step 6: Final answer
   x = 1,634.17