Finding the Fourth Proportional to 2,662.35, 3,668.64 and 2,061.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662.35 : 3,668.64 = 2,061.21 : x
2. Step 2: Convert to fraction form
   2,662.35/3,668.64 = 2,061.21/x
3. Step 3: Cross multiply
   2,662.35x = 3,668.64 × 2,061.21
4. Step 4: Simplify right side
   2,662.35x = 7,561,855.08
5. Step 5: Solve for x
   x = 7,561,855.08/2,662.35
6. Step 6: Final answer
   x = 2,840.29