Finding the Fourth Proportional to 2,176.78, 3,003.94 and 1,182.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,176.78 : 3,003.94 = 1,182.05 : x
2. Step 2: Convert to fraction form
   2,176.78/3,003.94 = 1,182.05/x
3. Step 3: Cross multiply
   2,176.78x = 3,003.94 × 1,182.05
4. Step 4: Simplify right side
   2,176.78x = 3,550,807.28
5. Step 5: Solve for x
   x = 3,550,807.28/2,176.78
6. Step 6: Final answer
   x = 1,631.22