Finding the Fourth Proportional to 2,073.16, 2,860.98 and 1,189

Step by Step Solution

1. Step 1: Write the proportion equation
   2,073.16 : 2,860.98 = 1,189 : x
2. Step 2: Convert to fraction form
   2,073.16/2,860.98 = 1,189/x
3. Step 3: Cross multiply
   2,073.16x = 2,860.98 × 1,189
4. Step 4: Simplify right side
   2,073.16x = 3,401,705.22
5. Step 5: Solve for x
   x = 3,401,705.22/2,073.16
6. Step 6: Final answer
   x = 1,640.83