Finding the Fourth Proportional to 2,110.06, 2,911.89 and 1,178.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,110.06 : 2,911.89 = 1,178.56 : x
2. Step 2: Convert to fraction form
   2,110.06/2,911.89 = 1,178.56/x
3. Step 3: Cross multiply
   2,110.06x = 2,911.89 × 1,178.56
4. Step 4: Simplify right side
   2,110.06x = 3,431,837.08
5. Step 5: Solve for x
   x = 3,431,837.08/2,110.06
6. Step 6: Final answer
   x = 1,626.42