Finding the Fourth Proportional to 2,108.88, 2,910.12 and 1,164.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108.88 : 2,910.12 = 1,164.54 : x
2. Step 2: Convert to fraction form
   2,108.88/2,910.12 = 1,164.54/x
3. Step 3: Cross multiply
   2,108.88x = 2,910.12 × 1,164.54
4. Step 4: Simplify right side
   2,108.88x = 3,388,951.14
5. Step 5: Solve for x
   x = 3,388,951.14/2,108.88
6. Step 6: Final answer
   x = 1,606.99