Finding the Fourth Proportional to 2,061.76, 2,844.81 and 1,668.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.76 : 2,844.81 = 1,668.10 : x
2. Step 2: Convert to fraction form
   2,061.76/2,844.81 = 1,668.10/x
3. Step 3: Cross multiply
   2,061.76x = 2,844.81 × 1,668.10
4. Step 4: Simplify right side
   2,061.76x = 4,745,427.56
5. Step 5: Solve for x
   x = 4,745,427.56/2,061.76
6. Step 6: Final answer
   x = 2,301.64