Finding the Fourth Proportional to 2,100.39, 2,898.51 and 1,168.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.39 : 2,898.51 = 1,168.89 : x
2. Step 2: Convert to fraction form
   2,100.39/2,898.51 = 1,168.89/x
3. Step 3: Cross multiply
   2,100.39x = 2,898.51 × 1,168.89
4. Step 4: Simplify right side
   2,100.39x = 3,388,039.35
5. Step 5: Solve for x
   x = 3,388,039.35/2,100.39
6. Step 6: Final answer
   x = 1,613.05