Finding the Fourth Proportional to 2,100.12, 2,897.82 and 1,168.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.12 : 2,897.82 = 1,168.44 : x
2. Step 2: Convert to fraction form
   2,100.12/2,897.82 = 1,168.44/x
3. Step 3: Cross multiply
   2,100.12x = 2,897.82 × 1,168.44
4. Step 4: Simplify right side
   2,100.12x = 3,385,928.80
5. Step 5: Solve for x
   x = 3,385,928.80/2,100.12
6. Step 6: Final answer
   x = 1,612.25