Finding the Fourth Proportional to 2,178.63, 3,006.59 and 1,183.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,178.63 : 3,006.59 = 1,183.98 : x
2. Step 2: Convert to fraction form
   2,178.63/3,006.59 = 1,183.98/x
3. Step 3: Cross multiply
   2,178.63x = 3,006.59 × 1,183.98
4. Step 4: Simplify right side
   2,178.63x = 3,559,747.78
5. Step 5: Solve for x
   x = 3,559,747.78/2,178.63
6. Step 6: Final answer
   x = 1,633.94