Finding the Fourth Proportional to 2,110.78, 2,912.82 and 1,179.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,110.78 : 2,912.82 = 1,179.28 : x
2. Step 2: Convert to fraction form
   2,110.78/2,912.82 = 1,179.28/x
3. Step 3: Cross multiply
   2,110.78x = 2,912.82 × 1,179.28
4. Step 4: Simplify right side
   2,110.78x = 3,435,030.37
5. Step 5: Solve for x
   x = 3,435,030.37/2,110.78
6. Step 6: Final answer
   x = 1,627.37