Finding the Fourth Proportional to 2,169.97, 2,994.56 and 1,175.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,169.97 : 2,994.56 = 1,175.25 : x
2. Step 2: Convert to fraction form
   2,169.97/2,994.56 = 1,175.25/x
3. Step 3: Cross multiply
   2,169.97x = 2,994.56 × 1,175.25
4. Step 4: Simplify right side
   2,169.97x = 3,519,352.86
5. Step 5: Solve for x
   x = 3,519,352.86/2,169.97
6. Step 6: Final answer
   x = 1,621.84