Finding the Fourth Proportional to 2,169.98, 2,994.55 and 1,175.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,169.98 : 2,994.55 = 1,175.25 : x
2. Step 2: Convert to fraction form
   2,169.98/2,994.55 = 1,175.25/x
3. Step 3: Cross multiply
   2,169.98x = 2,994.55 × 1,175.25
4. Step 4: Simplify right side
   2,169.98x = 3,519,341.95
5. Step 5: Solve for x
   x = 3,519,341.95/2,169.98
6. Step 6: Final answer
   x = 1,621.84