Finding the Fourth Proportional to 2,089.02, 2,885.85 and 1,668.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,089.02 : 2,885.85 = 1,668.82 : x
2. Step 2: Convert to fraction form
   2,089.02/2,885.85 = 1,668.82/x
3. Step 3: Cross multiply
   2,089.02x = 2,885.85 × 1,668.82
4. Step 4: Simplify right side
   2,089.02x = 4,815,964.20
5. Step 5: Solve for x
   x = 4,815,964.20/2,089.02
6. Step 6: Final answer
   x = 2,305.37