Finding the Fourth Proportional to 2,108.69, 2,909.94 and 1,164.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108.69 : 2,909.94 = 1,164.48 : x
2. Step 2: Convert to fraction form
   2,108.69/2,909.94 = 1,164.48/x
3. Step 3: Cross multiply
   2,108.69x = 2,909.94 × 1,164.48
4. Step 4: Simplify right side
   2,108.69x = 3,388,566.93
5. Step 5: Solve for x
   x = 3,388,566.93/2,108.69
6. Step 6: Final answer
   x = 1,606.95