Finding the Fourth Proportional to 2,170.89, 2,995.82 and 1,176.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,170.89 : 2,995.82 = 1,176.16 : x
2. Step 2: Convert to fraction form
   2,170.89/2,995.82 = 1,176.16/x
3. Step 3: Cross multiply
   2,170.89x = 2,995.82 × 1,176.16
4. Step 4: Simplify right side
   2,170.89x = 3,523,563.65
5. Step 5: Solve for x
   x = 3,523,563.65/2,170.89
6. Step 6: Final answer
   x = 1,623.10