Finding the Fourth Proportional to 2,169.83, 2,994.35 and 1,175.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,169.83 : 2,994.35 = 1,175.12 : x
2. Step 2: Convert to fraction form
   2,169.83/2,994.35 = 1,175.12/x
3. Step 3: Cross multiply
   2,169.83x = 2,994.35 × 1,175.12
4. Step 4: Simplify right side
   2,169.83x = 3,518,720.57
5. Step 5: Solve for x
   x = 3,518,720.57/2,169.83
6. Step 6: Final answer
   x = 1,621.66