Finding the Fourth Proportional to 2,110, 2,911.86 and 1,178.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,110 : 2,911.86 = 1,178.56 : x
2. Step 2: Convert to fraction form
   2,110/2,911.86 = 1,178.56/x
3. Step 3: Cross multiply
   2,110x = 2,911.86 × 1,178.56
4. Step 4: Simplify right side
   2,110x = 3,431,801.72
5. Step 5: Solve for x
   x = 3,431,801.72/2,110
6. Step 6: Final answer
   x = 1,626.45