Finding the Fourth Proportional to 2,110, 2,912.61 and 1,411.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,110 : 2,912.61 = 1,411.78 : x
2. Step 2: Convert to fraction form
   2,110/2,912.61 = 1,411.78/x
3. Step 3: Cross multiply
   2,110x = 2,912.61 × 1,411.78
4. Step 4: Simplify right side
   2,110x = 4,111,964.55
5. Step 5: Solve for x
   x = 4,111,964.55/2,110
6. Step 6: Final answer
   x = 1,948.80